Home / 7,103.15-10,657.08-3,153.86

Finding the Fourth Proportional to 7,103.15, 10,657.08 and 3,153.86

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Solution

The fourth proportional to 7,103.15, 10,657.08 and 3,153.86 is: 4,731.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.15 : 10,657.08 = 3,153.86 : x
  2. Step 2: Convert to fraction form
    7,103.15/10,657.08 = 3,153.86/x
  3. Step 3: Cross multiply
    7,103.15x = 10,657.08 × 3,153.86
  4. Step 4: Simplify right side
    7,103.15x = 33,610,885.04
  5. Step 5: Solve for x
    x = 33,610,885.04/7,103.15
  6. Step 6: Final answer
    x = 4,731.83

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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.