Home / 5,360.15-7,395.22-3,120.23

Finding the Fourth Proportional to 5,360.15, 7,395.22 and 3,120.23

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Solution

The fourth proportional to 5,360.15, 7,395.22 and 3,120.23 is: 4,304.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.15 : 7,395.22 = 3,120.23 : x
  2. Step 2: Convert to fraction form
    5,360.15/7,395.22 = 3,120.23/x
  3. Step 3: Cross multiply
    5,360.15x = 7,395.22 × 3,120.23
  4. Step 4: Simplify right side
    5,360.15x = 23,074,787.30
  5. Step 5: Solve for x
    x = 23,074,787.30/5,360.15
  6. Step 6: Final answer
    x = 4,304.88

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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.