Home / 8,261.56-11,399.88-4,725

Finding the Fourth Proportional to 8,261.56, 11,399.88 and 4,725

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Solution

The fourth proportional to 8,261.56, 11,399.88 and 4,725 is: 6,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.56 : 11,399.88 = 4,725 : x
  2. Step 2: Convert to fraction form
    8,261.56/11,399.88 = 4,725/x
  3. Step 3: Cross multiply
    8,261.56x = 11,399.88 × 4,725
  4. Step 4: Simplify right side
    8,261.56x = 53,864,433.00
  5. Step 5: Solve for x
    x = 53,864,433.00/8,261.56
  6. Step 6: Final answer
    x = 6,519.89

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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.