Home / 9,125.27-12,590.69-5,540.14

Finding the Fourth Proportional to 9,125.27, 12,590.69 and 5,540.14

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Solution

The fourth proportional to 9,125.27, 12,590.69 and 5,540.14 is: 7,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.27 : 12,590.69 = 5,540.14 : x
  2. Step 2: Convert to fraction form
    9,125.27/12,590.69 = 5,540.14/x
  3. Step 3: Cross multiply
    9,125.27x = 12,590.69 × 5,540.14
  4. Step 4: Simplify right side
    9,125.27x = 69,754,185.30
  5. Step 5: Solve for x
    x = 69,754,185.30/9,125.27
  6. Step 6: Final answer
    x = 7,644.07

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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.