Home / 5,287.11-7,292.90-3,401.15

Finding the Fourth Proportional to 5,287.11, 7,292.90 and 3,401.15

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Solution

The fourth proportional to 5,287.11, 7,292.90 and 3,401.15 is: 4,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.11 : 7,292.90 = 3,401.15 : x
  2. Step 2: Convert to fraction form
    5,287.11/7,292.90 = 3,401.15/x
  3. Step 3: Cross multiply
    5,287.11x = 7,292.90 × 3,401.15
  4. Step 4: Simplify right side
    5,287.11x = 24,804,237.11
  5. Step 5: Solve for x
    x = 24,804,237.11/5,287.11
  6. Step 6: Final answer
    x = 4,691.46

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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.