Home / 10,048.07-15,076.20-3,478.88

Finding the Fourth Proportional to 10,048.07, 15,076.20 and 3,478.88

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Solution

The fourth proportional to 10,048.07, 15,076.20 and 3,478.88 is: 5,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,048.07 : 15,076.20 = 3,478.88 : x
  2. Step 2: Convert to fraction form
    10,048.07/15,076.20 = 3,478.88/x
  3. Step 3: Cross multiply
    10,048.07x = 15,076.20 × 3,478.88
  4. Step 4: Simplify right side
    10,048.07x = 52,448,215.28
  5. Step 5: Solve for x
    x = 52,448,215.28/10,048.07
  6. Step 6: Final answer
    x = 5,219.73

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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.