Home / 7,499.55-11,267.78-5,645.04

Finding the Fourth Proportional to 7,499.55, 11,267.78 and 5,645.04

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Solution

The fourth proportional to 7,499.55, 11,267.78 and 5,645.04 is: 8,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.55 : 11,267.78 = 5,645.04 : x
  2. Step 2: Convert to fraction form
    7,499.55/11,267.78 = 5,645.04/x
  3. Step 3: Cross multiply
    7,499.55x = 11,267.78 × 5,645.04
  4. Step 4: Simplify right side
    7,499.55x = 63,607,073.62
  5. Step 5: Solve for x
    x = 63,607,073.62/7,499.55
  6. Step 6: Final answer
    x = 8,481.45

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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.