Home / 5,261.32-7,887.05-2,627.20

Finding the Fourth Proportional to 5,261.32, 7,887.05 and 2,627.20

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Solution

The fourth proportional to 5,261.32, 7,887.05 and 2,627.20 is: 3,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.32 : 7,887.05 = 2,627.20 : x
  2. Step 2: Convert to fraction form
    5,261.32/7,887.05 = 2,627.20/x
  3. Step 3: Cross multiply
    5,261.32x = 7,887.05 × 2,627.20
  4. Step 4: Simplify right side
    5,261.32x = 20,720,805.19
  5. Step 5: Solve for x
    x = 20,720,805.19/5,261.32
  6. Step 6: Final answer
    x = 3,938.33

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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.