Home / 9,027.55-13,540.87-5,281.40

Finding the Fourth Proportional to 9,027.55, 13,540.87 and 5,281.40

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Solution

The fourth proportional to 9,027.55, 13,540.87 and 5,281.40 is: 7,921.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,027.55 : 13,540.87 = 5,281.40 : x
  2. Step 2: Convert to fraction form
    9,027.55/13,540.87 = 5,281.40/x
  3. Step 3: Cross multiply
    9,027.55x = 13,540.87 × 5,281.40
  4. Step 4: Simplify right side
    9,027.55x = 71,514,791.27
  5. Step 5: Solve for x
    x = 71,514,791.27/9,027.55
  6. Step 6: Final answer
    x = 7,921.84

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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.