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Finding the Fourth Proportional to 6,625.40, 9,937.02 and 2,242.40

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Solution

The fourth proportional to 6,625.40, 9,937.02 and 2,242.40 is: 3,363.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.40 : 9,937.02 = 2,242.40 : x
  2. Step 2: Convert to fraction form
    6,625.40/9,937.02 = 2,242.40/x
  3. Step 3: Cross multiply
    6,625.40x = 9,937.02 × 2,242.40
  4. Step 4: Simplify right side
    6,625.40x = 22,282,773.65
  5. Step 5: Solve for x
    x = 22,282,773.65/6,625.40
  6. Step 6: Final answer
    x = 3,363.23

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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.