Home / 8,432.24-12,639.98-4,737.56

Finding the Fourth Proportional to 8,432.24, 12,639.98 and 4,737.56

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Solution

The fourth proportional to 8,432.24, 12,639.98 and 4,737.56 is: 7,101.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.24 : 12,639.98 = 4,737.56 : x
  2. Step 2: Convert to fraction form
    8,432.24/12,639.98 = 4,737.56/x
  3. Step 3: Cross multiply
    8,432.24x = 12,639.98 × 4,737.56
  4. Step 4: Simplify right side
    8,432.24x = 59,882,663.65
  5. Step 5: Solve for x
    x = 59,882,663.65/8,432.24
  6. Step 6: Final answer
    x = 7,101.63

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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.