Home / 5,880.69-8,109.32-4,090.23

Finding the Fourth Proportional to 5,880.69, 8,109.32 and 4,090.23

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Solution

The fourth proportional to 5,880.69, 8,109.32 and 4,090.23 is: 5,640.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.69 : 8,109.32 = 4,090.23 : x
  2. Step 2: Convert to fraction form
    5,880.69/8,109.32 = 4,090.23/x
  3. Step 3: Cross multiply
    5,880.69x = 8,109.32 × 4,090.23
  4. Step 4: Simplify right side
    5,880.69x = 33,168,963.49
  5. Step 5: Solve for x
    x = 33,168,963.49/5,880.69
  6. Step 6: Final answer
    x = 5,640.32

Related Problems

Find fourth proportional to 2,940.35, 4,054.66 and 2,045.12
Half scale
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Double scale
Find fourth proportional to 5,881.69, 8,110.69 and 4,091.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.