Home / 5,344.20-7,374.28-2,985.92

Finding the Fourth Proportional to 5,344.20, 7,374.28 and 2,985.92

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Solution

The fourth proportional to 5,344.20, 7,374.28 and 2,985.92 is: 4,120.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344.20 : 7,374.28 = 2,985.92 : x
  2. Step 2: Convert to fraction form
    5,344.20/7,374.28 = 2,985.92/x
  3. Step 3: Cross multiply
    5,344.20x = 7,374.28 × 2,985.92
  4. Step 4: Simplify right side
    5,344.20x = 22,019,010.14
  5. Step 5: Solve for x
    x = 22,019,010.14/5,344.20
  6. Step 6: Final answer
    x = 4,120.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.