Home / 8,338.50-12,491.28-6,260.94

Finding the Fourth Proportional to 8,338.50, 12,491.28 and 6,260.94

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Solution

The fourth proportional to 8,338.50, 12,491.28 and 6,260.94 is: 9,379.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338.50 : 12,491.28 = 6,260.94 : x
  2. Step 2: Convert to fraction form
    8,338.50/12,491.28 = 6,260.94/x
  3. Step 3: Cross multiply
    8,338.50x = 12,491.28 × 6,260.94
  4. Step 4: Simplify right side
    8,338.50x = 78,207,154.60
  5. Step 5: Solve for x
    x = 78,207,154.60/8,338.50
  6. Step 6: Final answer
    x = 9,379.04

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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.