Home / 5,353.11-7,385.50-3,114.51

Finding the Fourth Proportional to 5,353.11, 7,385.50 and 3,114.51

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Solution

The fourth proportional to 5,353.11, 7,385.50 and 3,114.51 is: 4,296.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.11 : 7,385.50 = 3,114.51 : x
  2. Step 2: Convert to fraction form
    5,353.11/7,385.50 = 3,114.51/x
  3. Step 3: Cross multiply
    5,353.11x = 7,385.50 × 3,114.51
  4. Step 4: Simplify right side
    5,353.11x = 23,002,189.80
  5. Step 5: Solve for x
    x = 23,002,189.80/5,353.11
  6. Step 6: Final answer
    x = 4,296.98

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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.