Home / 8,750.05-13,121.38-4,800.18

Finding the Fourth Proportional to 8,750.05, 13,121.38 and 4,800.18

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Solution

The fourth proportional to 8,750.05, 13,121.38 and 4,800.18 is: 7,198.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.05 : 13,121.38 = 4,800.18 : x
  2. Step 2: Convert to fraction form
    8,750.05/13,121.38 = 4,800.18/x
  3. Step 3: Cross multiply
    8,750.05x = 13,121.38 × 4,800.18
  4. Step 4: Simplify right side
    8,750.05x = 62,984,961.85
  5. Step 5: Solve for x
    x = 62,984,961.85/8,750.05
  6. Step 6: Final answer
    x = 7,198.24

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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.