Home / 5,422.15-8,135.57-2,304.26

Finding the Fourth Proportional to 5,422.15, 8,135.57 and 2,304.26

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Solution

The fourth proportional to 5,422.15, 8,135.57 and 2,304.26 is: 3,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.15 : 8,135.57 = 2,304.26 : x
  2. Step 2: Convert to fraction form
    5,422.15/8,135.57 = 2,304.26/x
  3. Step 3: Cross multiply
    5,422.15x = 8,135.57 × 2,304.26
  4. Step 4: Simplify right side
    5,422.15x = 18,746,468.53
  5. Step 5: Solve for x
    x = 18,746,468.53/5,422.15
  6. Step 6: Final answer
    x = 3,457.39

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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.