Home / 7,939.50-10,956.66-4,354.23

Finding the Fourth Proportional to 7,939.50, 10,956.66 and 4,354.23

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Solution

The fourth proportional to 7,939.50, 10,956.66 and 4,354.23 is: 6,008.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.50 : 10,956.66 = 4,354.23 : x
  2. Step 2: Convert to fraction form
    7,939.50/10,956.66 = 4,354.23/x
  3. Step 3: Cross multiply
    7,939.50x = 10,956.66 × 4,354.23
  4. Step 4: Simplify right side
    7,939.50x = 47,707,817.67
  5. Step 5: Solve for x
    x = 47,707,817.67/7,939.50
  6. Step 6: Final answer
    x = 6,008.92

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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.