Home / 9,417.10-12,997.05-5,437.90

Finding the Fourth Proportional to 9,417.10, 12,997.05 and 5,437.90

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Solution

The fourth proportional to 9,417.10, 12,997.05 and 5,437.90 is: 7,505.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.10 : 12,997.05 = 5,437.90 : x
  2. Step 2: Convert to fraction form
    9,417.10/12,997.05 = 5,437.90/x
  3. Step 3: Cross multiply
    9,417.10x = 12,997.05 × 5,437.90
  4. Step 4: Simplify right side
    9,417.10x = 70,676,658.20
  5. Step 5: Solve for x
    x = 70,676,658.20/9,417.10
  6. Step 6: Final answer
    x = 7,505.14

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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.