Home / 8,910.12-13,366.36-3,714.76

Finding the Fourth Proportional to 8,910.12, 13,366.36 and 3,714.76

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Solution

The fourth proportional to 8,910.12, 13,366.36 and 3,714.76 is: 5,572.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.12 : 13,366.36 = 3,714.76 : x
  2. Step 2: Convert to fraction form
    8,910.12/13,366.36 = 3,714.76/x
  3. Step 3: Cross multiply
    8,910.12x = 13,366.36 × 3,714.76
  4. Step 4: Simplify right side
    8,910.12x = 49,652,819.47
  5. Step 5: Solve for x
    x = 49,652,819.47/8,910.12
  6. Step 6: Final answer
    x = 5,572.63

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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.