Home / 10,275.62-15,412.26-2,880.68

Finding the Fourth Proportional to 10,275.62, 15,412.26 and 2,880.68

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Solution

The fourth proportional to 10,275.62, 15,412.26 and 2,880.68 is: 4,320.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.62 : 15,412.26 = 2,880.68 : x
  2. Step 2: Convert to fraction form
    10,275.62/15,412.26 = 2,880.68/x
  3. Step 3: Cross multiply
    10,275.62x = 15,412.26 × 2,880.68
  4. Step 4: Simplify right side
    10,275.62x = 44,397,789.14
  5. Step 5: Solve for x
    x = 44,397,789.14/10,275.62
  6. Step 6: Final answer
    x = 4,320.69

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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.