Home / 7,499.40-11,250.96-2,305.12

Finding the Fourth Proportional to 7,499.40, 11,250.96 and 2,305.12

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Solution

The fourth proportional to 7,499.40, 11,250.96 and 2,305.12 is: 3,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.40 : 11,250.96 = 2,305.12 : x
  2. Step 2: Convert to fraction form
    7,499.40/11,250.96 = 2,305.12/x
  3. Step 3: Cross multiply
    7,499.40x = 11,250.96 × 2,305.12
  4. Step 4: Simplify right side
    7,499.40x = 25,934,812.92
  5. Step 5: Solve for x
    x = 25,934,812.92/7,499.40
  6. Step 6: Final answer
    x = 3,458.25

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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.