Home / 5,417.18-7,475.75-3,179.09

Finding the Fourth Proportional to 5,417.18, 7,475.75 and 3,179.09

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Solution

The fourth proportional to 5,417.18, 7,475.75 and 3,179.09 is: 4,387.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.18 : 7,475.75 = 3,179.09 : x
  2. Step 2: Convert to fraction form
    5,417.18/7,475.75 = 3,179.09/x
  3. Step 3: Cross multiply
    5,417.18x = 7,475.75 × 3,179.09
  4. Step 4: Simplify right side
    5,417.18x = 23,766,096.78
  5. Step 5: Solve for x
    x = 23,766,096.78/5,417.18
  6. Step 6: Final answer
    x = 4,387.17

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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.