Home / 8,278.92-11,423.70-4,741.56

Finding the Fourth Proportional to 8,278.92, 11,423.70 and 4,741.56

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Solution

The fourth proportional to 8,278.92, 11,423.70 and 4,741.56 is: 6,542.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.92 : 11,423.70 = 4,741.56 : x
  2. Step 2: Convert to fraction form
    8,278.92/11,423.70 = 4,741.56/x
  3. Step 3: Cross multiply
    8,278.92x = 11,423.70 × 4,741.56
  4. Step 4: Simplify right side
    8,278.92x = 54,166,158.97
  5. Step 5: Solve for x
    x = 54,166,158.97/8,278.92
  6. Step 6: Final answer
    x = 6,542.66

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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.