Home / 9,001.84-12,422.64-5,174.08

Finding the Fourth Proportional to 9,001.84, 12,422.64 and 5,174.08

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Solution

The fourth proportional to 9,001.84, 12,422.64 and 5,174.08 is: 7,140.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.84 : 12,422.64 = 5,174.08 : x
  2. Step 2: Convert to fraction form
    9,001.84/12,422.64 = 5,174.08/x
  3. Step 3: Cross multiply
    9,001.84x = 12,422.64 × 5,174.08
  4. Step 4: Simplify right side
    9,001.84x = 64,275,733.17
  5. Step 5: Solve for x
    x = 64,275,733.17/9,001.84
  6. Step 6: Final answer
    x = 7,140.29

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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.