Home / 7,499.16-11,250.46-2,568.79

Finding the Fourth Proportional to 7,499.16, 11,250.46 and 2,568.79

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Solution

The fourth proportional to 7,499.16, 11,250.46 and 2,568.79 is: 3,853.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.16 : 11,250.46 = 2,568.79 : x
  2. Step 2: Convert to fraction form
    7,499.16/11,250.46 = 2,568.79/x
  3. Step 3: Cross multiply
    7,499.16x = 11,250.46 × 2,568.79
  4. Step 4: Simplify right side
    7,499.16x = 28,900,069.14
  5. Step 5: Solve for x
    x = 28,900,069.14/7,499.16
  6. Step 6: Final answer
    x = 3,853.77

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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.