Home / 6,426.72-9,617.40-3,962.16

Finding the Fourth Proportional to 6,426.72, 9,617.40 and 3,962.16

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Solution

The fourth proportional to 6,426.72, 9,617.40 and 3,962.16 is: 5,929.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.72 : 9,617.40 = 3,962.16 : x
  2. Step 2: Convert to fraction form
    6,426.72/9,617.40 = 3,962.16/x
  3. Step 3: Cross multiply
    6,426.72x = 9,617.40 × 3,962.16
  4. Step 4: Simplify right side
    6,426.72x = 38,105,677.58
  5. Step 5: Solve for x
    x = 38,105,677.58/6,426.72
  6. Step 6: Final answer
    x = 5,929.26

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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.