Home / 7,638.42-11,458.02-2,377.02

Finding the Fourth Proportional to 7,638.42, 11,458.02 and 2,377.02

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Solution

The fourth proportional to 7,638.42, 11,458.02 and 2,377.02 is: 3,565.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638.42 : 11,458.02 = 2,377.02 : x
  2. Step 2: Convert to fraction form
    7,638.42/11,458.02 = 2,377.02/x
  3. Step 3: Cross multiply
    7,638.42x = 11,458.02 × 2,377.02
  4. Step 4: Simplify right side
    7,638.42x = 27,235,942.70
  5. Step 5: Solve for x
    x = 27,235,942.70/7,638.42
  6. Step 6: Final answer
    x = 3,565.65

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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.