Home / 6,180.76-8,528.24-4,999.78

Finding the Fourth Proportional to 6,180.76, 8,528.24 and 4,999.78

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Solution

The fourth proportional to 6,180.76, 8,528.24 and 4,999.78 is: 6,898.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.76 : 8,528.24 = 4,999.78 : x
  2. Step 2: Convert to fraction form
    6,180.76/8,528.24 = 4,999.78/x
  3. Step 3: Cross multiply
    6,180.76x = 8,528.24 × 4,999.78
  4. Step 4: Simplify right side
    6,180.76x = 42,639,314.97
  5. Step 5: Solve for x
    x = 42,639,314.97/6,180.76
  6. Step 6: Final answer
    x = 6,898.72

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Half scale
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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.