Home / 5,040.30-6,962.96-3,721.29

Finding the Fourth Proportional to 5,040.30, 6,962.96 and 3,721.29

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Solution

The fourth proportional to 5,040.30, 6,962.96 and 3,721.29 is: 5,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.30 : 6,962.96 = 3,721.29 : x
  2. Step 2: Convert to fraction form
    5,040.30/6,962.96 = 3,721.29/x
  3. Step 3: Cross multiply
    5,040.30x = 6,962.96 × 3,721.29
  4. Step 4: Simplify right side
    5,040.30x = 25,911,176.61
  5. Step 5: Solve for x
    x = 25,911,176.61/5,040.30
  6. Step 6: Final answer
    x = 5,140.80

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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.