Home / 9,790.57-14,680.98-3,126.20

Finding the Fourth Proportional to 9,790.57, 14,680.98 and 3,126.20

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Solution

The fourth proportional to 9,790.57, 14,680.98 and 3,126.20 is: 4,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.57 : 14,680.98 = 3,126.20 : x
  2. Step 2: Convert to fraction form
    9,790.57/14,680.98 = 3,126.20/x
  3. Step 3: Cross multiply
    9,790.57x = 14,680.98 × 3,126.20
  4. Step 4: Simplify right side
    9,790.57x = 45,895,716.38
  5. Step 5: Solve for x
    x = 45,895,716.38/9,790.57
  6. Step 6: Final answer
    x = 4,687.75

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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.