Home / 10,512.64-15,770.48-3,490.27

Finding the Fourth Proportional to 10,512.64, 15,770.48 and 3,490.27

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Solution

The fourth proportional to 10,512.64, 15,770.48 and 3,490.27 is: 5,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.64 : 15,770.48 = 3,490.27 : x
  2. Step 2: Convert to fraction form
    10,512.64/15,770.48 = 3,490.27/x
  3. Step 3: Cross multiply
    10,512.64x = 15,770.48 × 3,490.27
  4. Step 4: Simplify right side
    10,512.64x = 55,043,233.23
  5. Step 5: Solve for x
    x = 55,043,233.23/10,512.64
  6. Step 6: Final answer
    x = 5,235.91

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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.