Home / 10,275.32-15,412.88-3,255.31

Finding the Fourth Proportional to 10,275.32, 15,412.88 and 3,255.31

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Solution

The fourth proportional to 10,275.32, 15,412.88 and 3,255.31 is: 4,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.32 : 15,412.88 = 3,255.31 : x
  2. Step 2: Convert to fraction form
    10,275.32/15,412.88 = 3,255.31/x
  3. Step 3: Cross multiply
    10,275.32x = 15,412.88 × 3,255.31
  4. Step 4: Simplify right side
    10,275.32x = 50,173,686.12
  5. Step 5: Solve for x
    x = 50,173,686.12/10,275.32
  6. Step 6: Final answer
    x = 4,882.93

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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.