Home / 8,253.90-11,391.57-6,261.12

Finding the Fourth Proportional to 8,253.90, 11,391.57 and 6,261.12

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Solution

The fourth proportional to 8,253.90, 11,391.57 and 6,261.12 is: 8,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.90 : 11,391.57 = 6,261.12 : x
  2. Step 2: Convert to fraction form
    8,253.90/11,391.57 = 6,261.12/x
  3. Step 3: Cross multiply
    8,253.90x = 11,391.57 × 6,261.12
  4. Step 4: Simplify right side
    8,253.90x = 71,323,986.76
  5. Step 5: Solve for x
    x = 71,323,986.76/8,253.90
  6. Step 6: Final answer
    x = 8,641.25

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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.