Home / 8,660.50-13,011.55-5,546.54

Finding the Fourth Proportional to 8,660.50, 13,011.55 and 5,546.54

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Solution

The fourth proportional to 8,660.50, 13,011.55 and 5,546.54 is: 8,333.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.50 : 13,011.55 = 5,546.54 : x
  2. Step 2: Convert to fraction form
    8,660.50/13,011.55 = 5,546.54/x
  3. Step 3: Cross multiply
    8,660.50x = 13,011.55 × 5,546.54
  4. Step 4: Simplify right side
    8,660.50x = 72,169,101.20
  5. Step 5: Solve for x
    x = 72,169,101.20/8,660.50
  6. Step 6: Final answer
    x = 8,333.14

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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.