Home / 7,500.38-11,250.75-2,569.99

Finding the Fourth Proportional to 7,500.38, 11,250.75 and 2,569.99

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Solution

The fourth proportional to 7,500.38, 11,250.75 and 2,569.99 is: 3,855.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.38 : 11,250.75 = 2,569.99 : x
  2. Step 2: Convert to fraction form
    7,500.38/11,250.75 = 2,569.99/x
  3. Step 3: Cross multiply
    7,500.38x = 11,250.75 × 2,569.99
  4. Step 4: Simplify right side
    7,500.38x = 28,914,314.99
  5. Step 5: Solve for x
    x = 28,914,314.99/7,500.38
  6. Step 6: Final answer
    x = 3,855.05

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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.