Home / 8,371.93-11,561.04-5,392.88

Finding the Fourth Proportional to 8,371.93, 11,561.04 and 5,392.88

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Solution

The fourth proportional to 8,371.93, 11,561.04 and 5,392.88 is: 7,447.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.93 : 11,561.04 = 5,392.88 : x
  2. Step 2: Convert to fraction form
    8,371.93/11,561.04 = 5,392.88/x
  3. Step 3: Cross multiply
    8,371.93x = 11,561.04 × 5,392.88
  4. Step 4: Simplify right side
    8,371.93x = 62,347,330.30
  5. Step 5: Solve for x
    x = 62,347,330.30/8,371.93
  6. Step 6: Final answer
    x = 7,447.19

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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.