Home / 8,940.04-12,337.21-5,162.91

Finding the Fourth Proportional to 8,940.04, 12,337.21 and 5,162.91

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Solution

The fourth proportional to 8,940.04, 12,337.21 and 5,162.91 is: 7,124.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.04 : 12,337.21 = 5,162.91 : x
  2. Step 2: Convert to fraction form
    8,940.04/12,337.21 = 5,162.91/x
  3. Step 3: Cross multiply
    8,940.04x = 12,337.21 × 5,162.91
  4. Step 4: Simplify right side
    8,940.04x = 63,695,904.88
  5. Step 5: Solve for x
    x = 63,695,904.88/8,940.04
  6. Step 6: Final answer
    x = 7,124.79

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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.