Home / 8,943.89-12,338.28-6,292.76

Finding the Fourth Proportional to 8,943.89, 12,338.28 and 6,292.76

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Solution

The fourth proportional to 8,943.89, 12,338.28 and 6,292.76 is: 8,680.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.89 : 12,338.28 = 6,292.76 : x
  2. Step 2: Convert to fraction form
    8,943.89/12,338.28 = 6,292.76/x
  3. Step 3: Cross multiply
    8,943.89x = 12,338.28 × 6,292.76
  4. Step 4: Simplify right side
    8,943.89x = 77,641,834.85
  5. Step 5: Solve for x
    x = 77,641,834.85/8,943.89
  6. Step 6: Final answer
    x = 8,680.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.