Home / 9,089.78-12,542.77-5,262.08

Finding the Fourth Proportional to 9,089.78, 12,542.77 and 5,262.08

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Solution

The fourth proportional to 9,089.78, 12,542.77 and 5,262.08 is: 7,261.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.78 : 12,542.77 = 5,262.08 : x
  2. Step 2: Convert to fraction form
    9,089.78/12,542.77 = 5,262.08/x
  3. Step 3: Cross multiply
    9,089.78x = 12,542.77 × 5,262.08
  4. Step 4: Simplify right side
    9,089.78x = 66,001,059.16
  5. Step 5: Solve for x
    x = 66,001,059.16/9,089.78
  6. Step 6: Final answer
    x = 7,261.02

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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.