Home / 6,555.60-9,046.08-3,866.76

Finding the Fourth Proportional to 6,555.60, 9,046.08 and 3,866.76

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Solution

The fourth proportional to 6,555.60, 9,046.08 and 3,866.76 is: 5,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.60 : 9,046.08 = 3,866.76 : x
  2. Step 2: Convert to fraction form
    6,555.60/9,046.08 = 3,866.76/x
  3. Step 3: Cross multiply
    6,555.60x = 9,046.08 × 3,866.76
  4. Step 4: Simplify right side
    6,555.60x = 34,979,020.30
  5. Step 5: Solve for x
    x = 34,979,020.30/6,555.60
  6. Step 6: Final answer
    x = 5,335.75

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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.