Home / 7,898.16-11,830.20-3,731.88

Finding the Fourth Proportional to 7,898.16, 11,830.20 and 3,731.88

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Solution

The fourth proportional to 7,898.16, 11,830.20 and 3,731.88 is: 5,589.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.16 : 11,830.20 = 3,731.88 : x
  2. Step 2: Convert to fraction form
    7,898.16/11,830.20 = 3,731.88/x
  3. Step 3: Cross multiply
    7,898.16x = 11,830.20 × 3,731.88
  4. Step 4: Simplify right side
    7,898.16x = 44,148,886.78
  5. Step 5: Solve for x
    x = 44,148,886.78/7,898.16
  6. Step 6: Final answer
    x = 5,589.77

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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.