Home / 6,141.29-9,213.24-1,981.53

Finding the Fourth Proportional to 6,141.29, 9,213.24 and 1,981.53

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Solution

The fourth proportional to 6,141.29, 9,213.24 and 1,981.53 is: 2,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.29 : 9,213.24 = 1,981.53 : x
  2. Step 2: Convert to fraction form
    6,141.29/9,213.24 = 1,981.53/x
  3. Step 3: Cross multiply
    6,141.29x = 9,213.24 × 1,981.53
  4. Step 4: Simplify right side
    6,141.29x = 18,256,311.46
  5. Step 5: Solve for x
    x = 18,256,311.46/6,141.29
  6. Step 6: Final answer
    x = 2,972.72

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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.