Home / 8,125.20-11,212.98-4,587.72

Finding the Fourth Proportional to 8,125.20, 11,212.98 and 4,587.72

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Solution

The fourth proportional to 8,125.20, 11,212.98 and 4,587.72 is: 6,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.20 : 11,212.98 = 4,587.72 : x
  2. Step 2: Convert to fraction form
    8,125.20/11,212.98 = 4,587.72/x
  3. Step 3: Cross multiply
    8,125.20x = 11,212.98 × 4,587.72
  4. Step 4: Simplify right side
    8,125.20x = 51,442,012.61
  5. Step 5: Solve for x
    x = 51,442,012.61/8,125.20
  6. Step 6: Final answer
    x = 6,331.17

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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.