Home / 6,861.30-9,472.76-4,439.80

Finding the Fourth Proportional to 6,861.30, 9,472.76 and 4,439.80

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Solution

The fourth proportional to 6,861.30, 9,472.76 and 4,439.80 is: 6,129.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.30 : 9,472.76 = 4,439.80 : x
  2. Step 2: Convert to fraction form
    6,861.30/9,472.76 = 4,439.80/x
  3. Step 3: Cross multiply
    6,861.30x = 9,472.76 × 4,439.80
  4. Step 4: Simplify right side
    6,861.30x = 42,057,159.85
  5. Step 5: Solve for x
    x = 42,057,159.85/6,861.30
  6. Step 6: Final answer
    x = 6,129.62

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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.