Home / 7,939.69-10,956.82-4,402.91

Finding the Fourth Proportional to 7,939.69, 10,956.82 and 4,402.91

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Solution

The fourth proportional to 7,939.69, 10,956.82 and 4,402.91 is: 6,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.69 : 10,956.82 = 4,402.91 : x
  2. Step 2: Convert to fraction form
    7,939.69/10,956.82 = 4,402.91/x
  3. Step 3: Cross multiply
    7,939.69x = 10,956.82 × 4,402.91
  4. Step 4: Simplify right side
    7,939.69x = 48,241,855.35
  5. Step 5: Solve for x
    x = 48,241,855.35/7,939.69
  6. Step 6: Final answer
    x = 6,076.04

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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.