Home / 5,422.17-8,127.71-3,077.22

Finding the Fourth Proportional to 5,422.17, 8,127.71 and 3,077.22

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Solution

The fourth proportional to 5,422.17, 8,127.71 and 3,077.22 is: 4,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.17 : 8,127.71 = 3,077.22 : x
  2. Step 2: Convert to fraction form
    5,422.17/8,127.71 = 3,077.22/x
  3. Step 3: Cross multiply
    5,422.17x = 8,127.71 × 3,077.22
  4. Step 4: Simplify right side
    5,422.17x = 25,010,744.07
  5. Step 5: Solve for x
    x = 25,010,744.07/5,422.17
  6. Step 6: Final answer
    x = 4,612.69

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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.