Home / 8,318.40-12,477.48-2,475.04

Finding the Fourth Proportional to 8,318.40, 12,477.48 and 2,475.04

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Solution

The fourth proportional to 8,318.40, 12,477.48 and 2,475.04 is: 3,712.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.40 : 12,477.48 = 2,475.04 : x
  2. Step 2: Convert to fraction form
    8,318.40/12,477.48 = 2,475.04/x
  3. Step 3: Cross multiply
    8,318.40x = 12,477.48 × 2,475.04
  4. Step 4: Simplify right side
    8,318.40x = 30,882,262.10
  5. Step 5: Solve for x
    x = 30,882,262.10/8,318.40
  6. Step 6: Final answer
    x = 3,712.52

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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.