Home / 4,642.80-6,956.91-2,177.16

Finding the Fourth Proportional to 4,642.80, 6,956.91 and 2,177.16

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Solution

The fourth proportional to 4,642.80, 6,956.91 and 2,177.16 is: 3,262.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.80 : 6,956.91 = 2,177.16 : x
  2. Step 2: Convert to fraction form
    4,642.80/6,956.91 = 2,177.16/x
  3. Step 3: Cross multiply
    4,642.80x = 6,956.91 × 2,177.16
  4. Step 4: Simplify right side
    4,642.80x = 15,146,306.18
  5. Step 5: Solve for x
    x = 15,146,306.18/4,642.80
  6. Step 6: Final answer
    x = 3,262.32

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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.