Home / 9,240.90-12,747.15-6,251.46

Finding the Fourth Proportional to 9,240.90, 12,747.15 and 6,251.46

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Solution

The fourth proportional to 9,240.90, 12,747.15 and 6,251.46 is: 8,623.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.90 : 12,747.15 = 6,251.46 : x
  2. Step 2: Convert to fraction form
    9,240.90/12,747.15 = 6,251.46/x
  3. Step 3: Cross multiply
    9,240.90x = 12,747.15 × 6,251.46
  4. Step 4: Simplify right side
    9,240.90x = 79,688,298.34
  5. Step 5: Solve for x
    x = 79,688,298.34/9,240.90
  6. Step 6: Final answer
    x = 8,623.43

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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.