Home / 5,398.02-8,084.43-4,155.57

Finding the Fourth Proportional to 5,398.02, 8,084.43 and 4,155.57

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Solution

The fourth proportional to 5,398.02, 8,084.43 and 4,155.57 is: 6,223.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.02 : 8,084.43 = 4,155.57 : x
  2. Step 2: Convert to fraction form
    5,398.02/8,084.43 = 4,155.57/x
  3. Step 3: Cross multiply
    5,398.02x = 8,084.43 × 4,155.57
  4. Step 4: Simplify right side
    5,398.02x = 33,595,414.78
  5. Step 5: Solve for x
    x = 33,595,414.78/5,398.02
  6. Step 6: Final answer
    x = 6,223.66

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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.