Home / 7,939.62-10,956.67-4,402.76

Finding the Fourth Proportional to 7,939.62, 10,956.67 and 4,402.76

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Solution

The fourth proportional to 7,939.62, 10,956.67 and 4,402.76 is: 6,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.62 : 10,956.67 = 4,402.76 : x
  2. Step 2: Convert to fraction form
    7,939.62/10,956.67 = 4,402.76/x
  3. Step 3: Cross multiply
    7,939.62x = 10,956.67 × 4,402.76
  4. Step 4: Simplify right side
    7,939.62x = 48,239,522.62
  5. Step 5: Solve for x
    x = 48,239,522.62/7,939.62
  6. Step 6: Final answer
    x = 6,075.80

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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.