Home / 8,158.14-12,237.12-2,314.80

Finding the Fourth Proportional to 8,158.14, 12,237.12 and 2,314.80

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Solution

The fourth proportional to 8,158.14, 12,237.12 and 2,314.80 is: 3,472.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.14 : 12,237.12 = 2,314.80 : x
  2. Step 2: Convert to fraction form
    8,158.14/12,237.12 = 2,314.80/x
  3. Step 3: Cross multiply
    8,158.14x = 12,237.12 × 2,314.80
  4. Step 4: Simplify right side
    8,158.14x = 28,326,485.38
  5. Step 5: Solve for x
    x = 28,326,485.38/8,158.14
  6. Step 6: Final answer
    x = 3,472.17

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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.