Home / 10,274.34-15,409.20-2,876.79

Finding the Fourth Proportional to 10,274.34, 15,409.20 and 2,876.79

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Solution

The fourth proportional to 10,274.34, 15,409.20 and 2,876.79 is: 4,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.34 : 15,409.20 = 2,876.79 : x
  2. Step 2: Convert to fraction form
    10,274.34/15,409.20 = 2,876.79/x
  3. Step 3: Cross multiply
    10,274.34x = 15,409.20 × 2,876.79
  4. Step 4: Simplify right side
    10,274.34x = 44,329,032.47
  5. Step 5: Solve for x
    x = 44,329,032.47/10,274.34
  6. Step 6: Final answer
    x = 4,314.54

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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.