Home / 10,315.08-15,471.90-3,740.04

Finding the Fourth Proportional to 10,315.08, 15,471.90 and 3,740.04

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Solution

The fourth proportional to 10,315.08, 15,471.90 and 3,740.04 is: 5,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.08 : 15,471.90 = 3,740.04 : x
  2. Step 2: Convert to fraction form
    10,315.08/15,471.90 = 3,740.04/x
  3. Step 3: Cross multiply
    10,315.08x = 15,471.90 × 3,740.04
  4. Step 4: Simplify right side
    10,315.08x = 57,865,524.88
  5. Step 5: Solve for x
    x = 57,865,524.88/10,315.08
  6. Step 6: Final answer
    x = 5,609.80

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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.