Home / 4,719.64-7,079.46-1,432.75

Finding the Fourth Proportional to 4,719.64, 7,079.46 and 1,432.75

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Solution

The fourth proportional to 4,719.64, 7,079.46 and 1,432.75 is: 2,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.64 : 7,079.46 = 1,432.75 : x
  2. Step 2: Convert to fraction form
    4,719.64/7,079.46 = 1,432.75/x
  3. Step 3: Cross multiply
    4,719.64x = 7,079.46 × 1,432.75
  4. Step 4: Simplify right side
    4,719.64x = 10,143,096.32
  5. Step 5: Solve for x
    x = 10,143,096.32/4,719.64
  6. Step 6: Final answer
    x = 2,149.13

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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.