Home / 8,624.34-12,925.68-3,688.17

Finding the Fourth Proportional to 8,624.34, 12,925.68 and 3,688.17

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Solution

The fourth proportional to 8,624.34, 12,925.68 and 3,688.17 is: 5,527.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.34 : 12,925.68 = 3,688.17 : x
  2. Step 2: Convert to fraction form
    8,624.34/12,925.68 = 3,688.17/x
  3. Step 3: Cross multiply
    8,624.34x = 12,925.68 × 3,688.17
  4. Step 4: Simplify right side
    8,624.34x = 47,672,105.21
  5. Step 5: Solve for x
    x = 47,672,105.21/8,624.34
  6. Step 6: Final answer
    x = 5,527.62

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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.