Home / 7,645.62-11,442.50-4,569.78

Finding the Fourth Proportional to 7,645.62, 11,442.50 and 4,569.78

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Solution

The fourth proportional to 7,645.62, 11,442.50 and 4,569.78 is: 6,839.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.62 : 11,442.50 = 4,569.78 : x
  2. Step 2: Convert to fraction form
    7,645.62/11,442.50 = 4,569.78/x
  3. Step 3: Cross multiply
    7,645.62x = 11,442.50 × 4,569.78
  4. Step 4: Simplify right side
    7,645.62x = 52,289,627.59
  5. Step 5: Solve for x
    x = 52,289,627.59/7,645.62
  6. Step 6: Final answer
    x = 6,839.17

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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.