Home / 9,250.90-12,765.58-5,217.87

Finding the Fourth Proportional to 9,250.90, 12,765.58 and 5,217.87

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Solution

The fourth proportional to 9,250.90, 12,765.58 and 5,217.87 is: 7,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,250.90 : 12,765.58 = 5,217.87 : x
  2. Step 2: Convert to fraction form
    9,250.90/12,765.58 = 5,217.87/x
  3. Step 3: Cross multiply
    9,250.90x = 12,765.58 × 5,217.87
  4. Step 4: Simplify right side
    9,250.90x = 66,609,123.87
  5. Step 5: Solve for x
    x = 66,609,123.87/9,250.90
  6. Step 6: Final answer
    x = 7,200.29

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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.