Home / 5,475.10-7,555.14-3,116.62

Finding the Fourth Proportional to 5,475.10, 7,555.14 and 3,116.62

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Solution

The fourth proportional to 5,475.10, 7,555.14 and 3,116.62 is: 4,300.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.10 : 7,555.14 = 3,116.62 : x
  2. Step 2: Convert to fraction form
    5,475.10/7,555.14 = 3,116.62/x
  3. Step 3: Cross multiply
    5,475.10x = 7,555.14 × 3,116.62
  4. Step 4: Simplify right side
    5,475.10x = 23,546,500.43
  5. Step 5: Solve for x
    x = 23,546,500.43/5,475.10
  6. Step 6: Final answer
    x = 4,300.65

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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.