Home / 4,090.21-6,133.96-1,316.23

Finding the Fourth Proportional to 4,090.21, 6,133.96 and 1,316.23

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Solution

The fourth proportional to 4,090.21, 6,133.96 and 1,316.23 is: 1,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.21 : 6,133.96 = 1,316.23 : x
  2. Step 2: Convert to fraction form
    4,090.21/6,133.96 = 1,316.23/x
  3. Step 3: Cross multiply
    4,090.21x = 6,133.96 × 1,316.23
  4. Step 4: Simplify right side
    4,090.21x = 8,073,702.17
  5. Step 5: Solve for x
    x = 8,073,702.17/4,090.21
  6. Step 6: Final answer
    x = 1,973.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.