Home / 8,660.95-11,951.82-5,475.96

Finding the Fourth Proportional to 8,660.95, 11,951.82 and 5,475.96

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Solution

The fourth proportional to 8,660.95, 11,951.82 and 5,475.96 is: 7,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.95 : 11,951.82 = 5,475.96 : x
  2. Step 2: Convert to fraction form
    8,660.95/11,951.82 = 5,475.96/x
  3. Step 3: Cross multiply
    8,660.95x = 11,951.82 × 5,475.96
  4. Step 4: Simplify right side
    8,660.95x = 65,447,688.25
  5. Step 5: Solve for x
    x = 65,447,688.25/8,660.95
  6. Step 6: Final answer
    x = 7,556.64

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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.