Home / 8,350.05-12,521.40-2,505.30

Finding the Fourth Proportional to 8,350.05, 12,521.40 and 2,505.30

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Solution

The fourth proportional to 8,350.05, 12,521.40 and 2,505.30 is: 3,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.05 : 12,521.40 = 2,505.30 : x
  2. Step 2: Convert to fraction form
    8,350.05/12,521.40 = 2,505.30/x
  3. Step 3: Cross multiply
    8,350.05x = 12,521.40 × 2,505.30
  4. Step 4: Simplify right side
    8,350.05x = 31,369,863.42
  5. Step 5: Solve for x
    x = 31,369,863.42/8,350.05
  6. Step 6: Final answer
    x = 3,756.85

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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.