Home / 7,159.42-10,738.70-4,256.20

Finding the Fourth Proportional to 7,159.42, 10,738.70 and 4,256.20

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Solution

The fourth proportional to 7,159.42, 10,738.70 and 4,256.20 is: 6,384.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.42 : 10,738.70 = 4,256.20 : x
  2. Step 2: Convert to fraction form
    7,159.42/10,738.70 = 4,256.20/x
  3. Step 3: Cross multiply
    7,159.42x = 10,738.70 × 4,256.20
  4. Step 4: Simplify right side
    7,159.42x = 45,705,979.97
  5. Step 5: Solve for x
    x = 45,705,979.97/7,159.42
  6. Step 6: Final answer
    x = 6,384.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.