Home / 7,939.11-10,956.14-4,354.15

Finding the Fourth Proportional to 7,939.11, 10,956.14 and 4,354.15

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Solution

The fourth proportional to 7,939.11, 10,956.14 and 4,354.15 is: 6,008.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.11 : 10,956.14 = 4,354.15 : x
  2. Step 2: Convert to fraction form
    7,939.11/10,956.14 = 4,354.15/x
  3. Step 3: Cross multiply
    7,939.11x = 10,956.14 × 4,354.15
  4. Step 4: Simplify right side
    7,939.11x = 47,704,600.43
  5. Step 5: Solve for x
    x = 47,704,600.43/7,939.11
  6. Step 6: Final answer
    x = 6,008.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.