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Finding the Fourth Proportional to 4,360.80, 6,019.20 and 2,869.86

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Solution

The fourth proportional to 4,360.80, 6,019.20 and 2,869.86 is: 3,961.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,360.80 : 6,019.20 = 2,869.86 : x
  2. Step 2: Convert to fraction form
    4,360.80/6,019.20 = 2,869.86/x
  3. Step 3: Cross multiply
    4,360.80x = 6,019.20 × 2,869.86
  4. Step 4: Simplify right side
    4,360.80x = 17,274,261.31
  5. Step 5: Solve for x
    x = 17,274,261.31/4,360.80
  6. Step 6: Final answer
    x = 3,961.26

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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.