Home / 8,942.89-12,332.61-5,357.27

Finding the Fourth Proportional to 8,942.89, 12,332.61 and 5,357.27

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Solution

The fourth proportional to 8,942.89, 12,332.61 and 5,357.27 is: 7,387.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.89 : 12,332.61 = 5,357.27 : x
  2. Step 2: Convert to fraction form
    8,942.89/12,332.61 = 5,357.27/x
  3. Step 3: Cross multiply
    8,942.89x = 12,332.61 × 5,357.27
  4. Step 4: Simplify right side
    8,942.89x = 66,069,121.57
  5. Step 5: Solve for x
    x = 66,069,121.57/8,942.89
  6. Step 6: Final answer
    x = 7,387.89

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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.