Home / 7,278.68-10,044.72-4,134.88

Finding the Fourth Proportional to 7,278.68, 10,044.72 and 4,134.88

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Solution

The fourth proportional to 7,278.68, 10,044.72 and 4,134.88 is: 5,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.68 : 10,044.72 = 4,134.88 : x
  2. Step 2: Convert to fraction form
    7,278.68/10,044.72 = 4,134.88/x
  3. Step 3: Cross multiply
    7,278.68x = 10,044.72 × 4,134.88
  4. Step 4: Simplify right side
    7,278.68x = 41,533,711.83
  5. Step 5: Solve for x
    x = 41,533,711.83/7,278.68
  6. Step 6: Final answer
    x = 5,706.21

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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.