Home / 5,422.27-8,127.86-3,077.32

Finding the Fourth Proportional to 5,422.27, 8,127.86 and 3,077.32

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Solution

The fourth proportional to 5,422.27, 8,127.86 and 3,077.32 is: 4,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.27 : 8,127.86 = 3,077.32 : x
  2. Step 2: Convert to fraction form
    5,422.27/8,127.86 = 3,077.32/x
  3. Step 3: Cross multiply
    5,422.27x = 8,127.86 × 3,077.32
  4. Step 4: Simplify right side
    5,422.27x = 25,012,031.63
  5. Step 5: Solve for x
    x = 25,012,031.63/5,422.27
  6. Step 6: Final answer
    x = 4,612.83

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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.