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Finding the Fourth Proportional to 9,058.80, 12,500.82 and 5,080.08

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Solution

The fourth proportional to 9,058.80, 12,500.82 and 5,080.08 is: 7,010.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,058.80 : 12,500.82 = 5,080.08 : x
  2. Step 2: Convert to fraction form
    9,058.80/12,500.82 = 5,080.08/x
  3. Step 3: Cross multiply
    9,058.80x = 12,500.82 × 5,080.08
  4. Step 4: Simplify right side
    9,058.80x = 63,505,165.67
  5. Step 5: Solve for x
    x = 63,505,165.67/9,058.80
  6. Step 6: Final answer
    x = 7,010.33

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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.