Home / 10,279.46-15,406.80-4,725.14

Finding the Fourth Proportional to 10,279.46, 15,406.80 and 4,725.14

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Solution

The fourth proportional to 10,279.46, 15,406.80 and 4,725.14 is: 7,082.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.46 : 15,406.80 = 4,725.14 : x
  2. Step 2: Convert to fraction form
    10,279.46/15,406.80 = 4,725.14/x
  3. Step 3: Cross multiply
    10,279.46x = 15,406.80 × 4,725.14
  4. Step 4: Simplify right side
    10,279.46x = 72,799,286.95
  5. Step 5: Solve for x
    x = 72,799,286.95/10,279.46
  6. Step 6: Final answer
    x = 7,082.01

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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.