Home / 8,929.13-13,384.62-4,240.85

Finding the Fourth Proportional to 8,929.13, 13,384.62 and 4,240.85

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Solution

The fourth proportional to 8,929.13, 13,384.62 and 4,240.85 is: 6,356.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.13 : 13,384.62 = 4,240.85 : x
  2. Step 2: Convert to fraction form
    8,929.13/13,384.62 = 4,240.85/x
  3. Step 3: Cross multiply
    8,929.13x = 13,384.62 × 4,240.85
  4. Step 4: Simplify right side
    8,929.13x = 56,762,098.80
  5. Step 5: Solve for x
    x = 56,762,098.80/8,929.13
  6. Step 6: Final answer
    x = 6,356.96

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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.