Home / 7,519.35-11,280.57-2,254.15

Finding the Fourth Proportional to 7,519.35, 11,280.57 and 2,254.15

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Solution

The fourth proportional to 7,519.35, 11,280.57 and 2,254.15 is: 3,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.35 : 11,280.57 = 2,254.15 : x
  2. Step 2: Convert to fraction form
    7,519.35/11,280.57 = 2,254.15/x
  3. Step 3: Cross multiply
    7,519.35x = 11,280.57 × 2,254.15
  4. Step 4: Simplify right side
    7,519.35x = 25,428,039.06
  5. Step 5: Solve for x
    x = 25,428,039.06/7,519.35
  6. Step 6: Final answer
    x = 3,381.68

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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.