Home / 4,095.26-5,642.44-3,420.60

Finding the Fourth Proportional to 4,095.26, 5,642.44 and 3,420.60

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Solution

The fourth proportional to 4,095.26, 5,642.44 and 3,420.60 is: 4,712.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.26 : 5,642.44 = 3,420.60 : x
  2. Step 2: Convert to fraction form
    4,095.26/5,642.44 = 3,420.60/x
  3. Step 3: Cross multiply
    4,095.26x = 5,642.44 × 3,420.60
  4. Step 4: Simplify right side
    4,095.26x = 19,300,530.26
  5. Step 5: Solve for x
    x = 19,300,530.26/4,095.26
  6. Step 6: Final answer
    x = 4,712.89

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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.