Home / 4,261.32-6,391.56-1,487.64

Finding the Fourth Proportional to 4,261.32, 6,391.56 and 1,487.64

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Solution

The fourth proportional to 4,261.32, 6,391.56 and 1,487.64 is: 2,231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.32 : 6,391.56 = 1,487.64 : x
  2. Step 2: Convert to fraction form
    4,261.32/6,391.56 = 1,487.64/x
  3. Step 3: Cross multiply
    4,261.32x = 6,391.56 × 1,487.64
  4. Step 4: Simplify right side
    4,261.32x = 9,508,340.32
  5. Step 5: Solve for x
    x = 9,508,340.32/4,261.32
  6. Step 6: Final answer
    x = 2,231.31

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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.