Home / 7,108.93-10,663.47-5,791.15

Finding the Fourth Proportional to 7,108.93, 10,663.47 and 5,791.15

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Solution

The fourth proportional to 7,108.93, 10,663.47 and 5,791.15 is: 8,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.93 : 10,663.47 = 5,791.15 : x
  2. Step 2: Convert to fraction form
    7,108.93/10,663.47 = 5,791.15/x
  3. Step 3: Cross multiply
    7,108.93x = 10,663.47 × 5,791.15
  4. Step 4: Simplify right side
    7,108.93x = 61,753,754.29
  5. Step 5: Solve for x
    x = 61,753,754.29/7,108.93
  6. Step 6: Final answer
    x = 8,686.79

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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.