Home / 8,437.14-12,655.68-2,281.14

Finding the Fourth Proportional to 8,437.14, 12,655.68 and 2,281.14

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Solution

The fourth proportional to 8,437.14, 12,655.68 and 2,281.14 is: 3,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.14 : 12,655.68 = 2,281.14 : x
  2. Step 2: Convert to fraction form
    8,437.14/12,655.68 = 2,281.14/x
  3. Step 3: Cross multiply
    8,437.14x = 12,655.68 × 2,281.14
  4. Step 4: Simplify right side
    8,437.14x = 28,869,377.88
  5. Step 5: Solve for x
    x = 28,869,377.88/8,437.14
  6. Step 6: Final answer
    x = 3,421.70

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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.