Home / 10,604.64-15,903.90-4,279.52

Finding the Fourth Proportional to 10,604.64, 15,903.90 and 4,279.52

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Solution

The fourth proportional to 10,604.64, 15,903.90 and 4,279.52 is: 6,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.64 : 15,903.90 = 4,279.52 : x
  2. Step 2: Convert to fraction form
    10,604.64/15,903.90 = 4,279.52/x
  3. Step 3: Cross multiply
    10,604.64x = 15,903.90 × 4,279.52
  4. Step 4: Simplify right side
    10,604.64x = 68,061,058.13
  5. Step 5: Solve for x
    x = 68,061,058.13/10,604.64
  6. Step 6: Final answer
    x = 6,418.05

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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.