Home / 5,177.20-7,752.84-2,703.28

Finding the Fourth Proportional to 5,177.20, 7,752.84 and 2,703.28

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Solution

The fourth proportional to 5,177.20, 7,752.84 and 2,703.28 is: 4,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.20 : 7,752.84 = 2,703.28 : x
  2. Step 2: Convert to fraction form
    5,177.20/7,752.84 = 2,703.28/x
  3. Step 3: Cross multiply
    5,177.20x = 7,752.84 × 2,703.28
  4. Step 4: Simplify right side
    5,177.20x = 20,958,097.32
  5. Step 5: Solve for x
    x = 20,958,097.32/5,177.20
  6. Step 6: Final answer
    x = 4,048.15

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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.