Home / 8,660.82-11,951.65-5,475.83

Finding the Fourth Proportional to 8,660.82, 11,951.65 and 5,475.83

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Solution

The fourth proportional to 8,660.82, 11,951.65 and 5,475.83 is: 7,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.82 : 11,951.65 = 5,475.83 : x
  2. Step 2: Convert to fraction form
    8,660.82/11,951.65 = 5,475.83/x
  3. Step 3: Cross multiply
    8,660.82x = 11,951.65 × 5,475.83
  4. Step 4: Simplify right side
    8,660.82x = 65,445,219.81
  5. Step 5: Solve for x
    x = 65,445,219.81/8,660.82
  6. Step 6: Final answer
    x = 7,556.47

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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.