Home / 5,402.16-7,454.94-3,012.11

Finding the Fourth Proportional to 5,402.16, 7,454.94 and 3,012.11

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Solution

The fourth proportional to 5,402.16, 7,454.94 and 3,012.11 is: 4,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.16 : 7,454.94 = 3,012.11 : x
  2. Step 2: Convert to fraction form
    5,402.16/7,454.94 = 3,012.11/x
  3. Step 3: Cross multiply
    5,402.16x = 7,454.94 × 3,012.11
  4. Step 4: Simplify right side
    5,402.16x = 22,455,078.71
  5. Step 5: Solve for x
    x = 22,455,078.71/5,402.16
  6. Step 6: Final answer
    x = 4,156.69

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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.