Home / 4,710.32-7,062.78-1,422.44

Finding the Fourth Proportional to 4,710.32, 7,062.78 and 1,422.44

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Solution

The fourth proportional to 4,710.32, 7,062.78 and 1,422.44 is: 2,132.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.32 : 7,062.78 = 1,422.44 : x
  2. Step 2: Convert to fraction form
    4,710.32/7,062.78 = 1,422.44/x
  3. Step 3: Cross multiply
    4,710.32x = 7,062.78 × 1,422.44
  4. Step 4: Simplify right side
    4,710.32x = 10,046,380.78
  5. Step 5: Solve for x
    x = 10,046,380.78/4,710.32
  6. Step 6: Final answer
    x = 2,132.84

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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.