Home / 8,313.40-12,463.90-5,025.80

Finding the Fourth Proportional to 8,313.40, 12,463.90 and 5,025.80

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Solution

The fourth proportional to 8,313.40, 12,463.90 and 5,025.80 is: 7,534.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.40 : 12,463.90 = 5,025.80 : x
  2. Step 2: Convert to fraction form
    8,313.40/12,463.90 = 5,025.80/x
  3. Step 3: Cross multiply
    8,313.40x = 12,463.90 × 5,025.80
  4. Step 4: Simplify right side
    8,313.40x = 62,641,068.62
  5. Step 5: Solve for x
    x = 62,641,068.62/8,313.40
  6. Step 6: Final answer
    x = 7,534.95

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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.