Home / 7,520.38-11,281.71-5,455.96

Finding the Fourth Proportional to 7,520.38, 11,281.71 and 5,455.96

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Solution

The fourth proportional to 7,520.38, 11,281.71 and 5,455.96 is: 8,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.38 : 11,281.71 = 5,455.96 : x
  2. Step 2: Convert to fraction form
    7,520.38/11,281.71 = 5,455.96/x
  3. Step 3: Cross multiply
    7,520.38x = 11,281.71 × 5,455.96
  4. Step 4: Simplify right side
    7,520.38x = 61,552,474.80
  5. Step 5: Solve for x
    x = 61,552,474.80/7,520.38
  6. Step 6: Final answer
    x = 8,184.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.