Home / 7,236.12-10,854.29-2,309.90

Finding the Fourth Proportional to 7,236.12, 10,854.29 and 2,309.90

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Solution

The fourth proportional to 7,236.12, 10,854.29 and 2,309.90 is: 3,464.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.12 : 10,854.29 = 2,309.90 : x
  2. Step 2: Convert to fraction form
    7,236.12/10,854.29 = 2,309.90/x
  3. Step 3: Cross multiply
    7,236.12x = 10,854.29 × 2,309.90
  4. Step 4: Simplify right side
    7,236.12x = 25,072,357.38
  5. Step 5: Solve for x
    x = 25,072,357.38/7,236.12
  6. Step 6: Final answer
    x = 3,464.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.