Home / 10,270.44-15,405.65-2,479.25

Finding the Fourth Proportional to 10,270.44, 15,405.65 and 2,479.25

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Solution

The fourth proportional to 10,270.44, 15,405.65 and 2,479.25 is: 3,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.44 : 15,405.65 = 2,479.25 : x
  2. Step 2: Convert to fraction form
    10,270.44/15,405.65 = 2,479.25/x
  3. Step 3: Cross multiply
    10,270.44x = 15,405.65 × 2,479.25
  4. Step 4: Simplify right side
    10,270.44x = 38,194,457.76
  5. Step 5: Solve for x
    x = 38,194,457.76/10,270.44
  6. Step 6: Final answer
    x = 3,718.87

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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.