Home / 4,261.89-6,391.01-1,487.75

Finding the Fourth Proportional to 4,261.89, 6,391.01 and 1,487.75

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Solution

The fourth proportional to 4,261.89, 6,391.01 and 1,487.75 is: 2,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.89 : 6,391.01 = 1,487.75 : x
  2. Step 2: Convert to fraction form
    4,261.89/6,391.01 = 1,487.75/x
  3. Step 3: Cross multiply
    4,261.89x = 6,391.01 × 1,487.75
  4. Step 4: Simplify right side
    4,261.89x = 9,508,196.89
  5. Step 5: Solve for x
    x = 9,508,196.89/4,261.89
  6. Step 6: Final answer
    x = 2,230.98

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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.