Home / 7,939.67-10,956.65-4,402.85

Finding the Fourth Proportional to 7,939.67, 10,956.65 and 4,402.85

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Solution

The fourth proportional to 7,939.67, 10,956.65 and 4,402.85 is: 6,075.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.67 : 10,956.65 = 4,402.85 : x
  2. Step 2: Convert to fraction form
    7,939.67/10,956.65 = 4,402.85/x
  3. Step 3: Cross multiply
    7,939.67x = 10,956.65 × 4,402.85
  4. Step 4: Simplify right side
    7,939.67x = 48,240,442.68
  5. Step 5: Solve for x
    x = 48,240,442.68/7,939.67
  6. Step 6: Final answer
    x = 6,075.88

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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.