Home / 5,410.80-8,101.62-4,754.70

Finding the Fourth Proportional to 5,410.80, 8,101.62 and 4,754.70

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Solution

The fourth proportional to 5,410.80, 8,101.62 and 4,754.70 is: 7,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.80 : 8,101.62 = 4,754.70 : x
  2. Step 2: Convert to fraction form
    5,410.80/8,101.62 = 4,754.70/x
  3. Step 3: Cross multiply
    5,410.80x = 8,101.62 × 4,754.70
  4. Step 4: Simplify right side
    5,410.80x = 38,520,772.61
  5. Step 5: Solve for x
    x = 38,520,772.61/5,410.80
  6. Step 6: Final answer
    x = 7,119.24

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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.