Home / 4,719.42-7,079.09-1,432.50

Finding the Fourth Proportional to 4,719.42, 7,079.09 and 1,432.50

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Solution

The fourth proportional to 4,719.42, 7,079.09 and 1,432.50 is: 2,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.42 : 7,079.09 = 1,432.50 : x
  2. Step 2: Convert to fraction form
    4,719.42/7,079.09 = 1,432.50/x
  3. Step 3: Cross multiply
    4,719.42x = 7,079.09 × 1,432.50
  4. Step 4: Simplify right side
    4,719.42x = 10,140,789.26
  5. Step 5: Solve for x
    x = 10,140,789.26/4,719.42
  6. Step 6: Final answer
    x = 2,148.74

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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.