Home / 8,517.90-11,751.24-5,372.25

Finding the Fourth Proportional to 8,517.90, 11,751.24 and 5,372.25

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Solution

The fourth proportional to 8,517.90, 11,751.24 and 5,372.25 is: 7,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.90 : 11,751.24 = 5,372.25 : x
  2. Step 2: Convert to fraction form
    8,517.90/11,751.24 = 5,372.25/x
  3. Step 3: Cross multiply
    8,517.90x = 11,751.24 × 5,372.25
  4. Step 4: Simplify right side
    8,517.90x = 63,130,599.09
  5. Step 5: Solve for x
    x = 63,130,599.09/8,517.90
  6. Step 6: Final answer
    x = 7,411.52

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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.