Home / 9,126.68-13,691.71-2,888.26

Finding the Fourth Proportional to 9,126.68, 13,691.71 and 2,888.26

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Solution

The fourth proportional to 9,126.68, 13,691.71 and 2,888.26 is: 4,332.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.68 : 13,691.71 = 2,888.26 : x
  2. Step 2: Convert to fraction form
    9,126.68/13,691.71 = 2,888.26/x
  3. Step 3: Cross multiply
    9,126.68x = 13,691.71 × 2,888.26
  4. Step 4: Simplify right side
    9,126.68x = 39,545,203.88
  5. Step 5: Solve for x
    x = 39,545,203.88/9,126.68
  6. Step 6: Final answer
    x = 4,332.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.