Home / 9,377.28-14,065.92-4,432.80

Finding the Fourth Proportional to 9,377.28, 14,065.92 and 4,432.80

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Solution

The fourth proportional to 9,377.28, 14,065.92 and 4,432.80 is: 6,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,377.28 : 14,065.92 = 4,432.80 : x
  2. Step 2: Convert to fraction form
    9,377.28/14,065.92 = 4,432.80/x
  3. Step 3: Cross multiply
    9,377.28x = 14,065.92 × 4,432.80
  4. Step 4: Simplify right side
    9,377.28x = 62,351,410.18
  5. Step 5: Solve for x
    x = 62,351,410.18/9,377.28
  6. Step 6: Final answer
    x = 6,649.20

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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.