Home / 5,126.23-7,686.62-2,654.92

Finding the Fourth Proportional to 5,126.23, 7,686.62 and 2,654.92

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Solution

The fourth proportional to 5,126.23, 7,686.62 and 2,654.92 is: 3,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.23 : 7,686.62 = 2,654.92 : x
  2. Step 2: Convert to fraction form
    5,126.23/7,686.62 = 2,654.92/x
  3. Step 3: Cross multiply
    5,126.23x = 7,686.62 × 2,654.92
  4. Step 4: Simplify right side
    5,126.23x = 20,407,380.04
  5. Step 5: Solve for x
    x = 20,407,380.04/5,126.23
  6. Step 6: Final answer
    x = 3,980.97

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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.