Home / 5,251.11-7,246.50-2,860.91

Finding the Fourth Proportional to 5,251.11, 7,246.50 and 2,860.91

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Solution

The fourth proportional to 5,251.11, 7,246.50 and 2,860.91 is: 3,948.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.11 : 7,246.50 = 2,860.91 : x
  2. Step 2: Convert to fraction form
    5,251.11/7,246.50 = 2,860.91/x
  3. Step 3: Cross multiply
    5,251.11x = 7,246.50 × 2,860.91
  4. Step 4: Simplify right side
    5,251.11x = 20,731,548.08
  5. Step 5: Solve for x
    x = 20,731,548.08/5,251.11
  6. Step 6: Final answer
    x = 3,948.03

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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.