Home / 8,318.29-12,491.52-5,562.67

Finding the Fourth Proportional to 8,318.29, 12,491.52 and 5,562.67

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Solution

The fourth proportional to 8,318.29, 12,491.52 and 5,562.67 is: 8,353.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.29 : 12,491.52 = 5,562.67 : x
  2. Step 2: Convert to fraction form
    8,318.29/12,491.52 = 5,562.67/x
  3. Step 3: Cross multiply
    8,318.29x = 12,491.52 × 5,562.67
  4. Step 4: Simplify right side
    8,318.29x = 69,486,203.56
  5. Step 5: Solve for x
    x = 69,486,203.56/8,318.29
  6. Step 6: Final answer
    x = 8,353.42

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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.