Home / 8,570.38-12,857.50-3,024.12

Finding the Fourth Proportional to 8,570.38, 12,857.50 and 3,024.12

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Solution

The fourth proportional to 8,570.38, 12,857.50 and 3,024.12 is: 4,536.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570.38 : 12,857.50 = 3,024.12 : x
  2. Step 2: Convert to fraction form
    8,570.38/12,857.50 = 3,024.12/x
  3. Step 3: Cross multiply
    8,570.38x = 12,857.50 × 3,024.12
  4. Step 4: Simplify right side
    8,570.38x = 38,882,622.90
  5. Step 5: Solve for x
    x = 38,882,622.90/8,570.38
  6. Step 6: Final answer
    x = 4,536.86

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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.