Home / 4,341.20-6,507.20-1,418.72

Finding the Fourth Proportional to 4,341.20, 6,507.20 and 1,418.72

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Solution

The fourth proportional to 4,341.20, 6,507.20 and 1,418.72 is: 2,126.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,341.20 : 6,507.20 = 1,418.72 : x
  2. Step 2: Convert to fraction form
    4,341.20/6,507.20 = 1,418.72/x
  3. Step 3: Cross multiply
    4,341.20x = 6,507.20 × 1,418.72
  4. Step 4: Simplify right side
    4,341.20x = 9,231,865.79
  5. Step 5: Solve for x
    x = 9,231,865.79/4,341.20
  6. Step 6: Final answer
    x = 2,126.57

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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.