Home / 8,318.57-12,476.84-2,475.63

Finding the Fourth Proportional to 8,318.57, 12,476.84 and 2,475.63

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Solution

The fourth proportional to 8,318.57, 12,476.84 and 2,475.63 is: 3,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.57 : 12,476.84 = 2,475.63 : x
  2. Step 2: Convert to fraction form
    8,318.57/12,476.84 = 2,475.63/x
  3. Step 3: Cross multiply
    8,318.57x = 12,476.84 × 2,475.63
  4. Step 4: Simplify right side
    8,318.57x = 30,888,027.03
  5. Step 5: Solve for x
    x = 30,888,027.03/8,318.57
  6. Step 6: Final answer
    x = 3,713.14

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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.