Home / 7,661.78-10,572.90-4,517.36

Finding the Fourth Proportional to 7,661.78, 10,572.90 and 4,517.36

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Solution

The fourth proportional to 7,661.78, 10,572.90 and 4,517.36 is: 6,233.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.78 : 10,572.90 = 4,517.36 : x
  2. Step 2: Convert to fraction form
    7,661.78/10,572.90 = 4,517.36/x
  3. Step 3: Cross multiply
    7,661.78x = 10,572.90 × 4,517.36
  4. Step 4: Simplify right side
    7,661.78x = 47,761,595.54
  5. Step 5: Solve for x
    x = 47,761,595.54/7,661.78
  6. Step 6: Final answer
    x = 6,233.75

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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.