Home / 8,791.28-12,122.75-5,803.19

Finding the Fourth Proportional to 8,791.28, 12,122.75 and 5,803.19

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Solution

The fourth proportional to 8,791.28, 12,122.75 and 5,803.19 is: 8,002.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.28 : 12,122.75 = 5,803.19 : x
  2. Step 2: Convert to fraction form
    8,791.28/12,122.75 = 5,803.19/x
  3. Step 3: Cross multiply
    8,791.28x = 12,122.75 × 5,803.19
  4. Step 4: Simplify right side
    8,791.28x = 70,350,531.94
  5. Step 5: Solve for x
    x = 70,350,531.94/8,791.28
  6. Step 6: Final answer
    x = 8,002.31

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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.