Home / 4,045.78-6,068.66-1,272.70

Finding the Fourth Proportional to 4,045.78, 6,068.66 and 1,272.70

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Solution

The fourth proportional to 4,045.78, 6,068.66 and 1,272.70 is: 1,909.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.78 : 6,068.66 = 1,272.70 : x
  2. Step 2: Convert to fraction form
    4,045.78/6,068.66 = 1,272.70/x
  3. Step 3: Cross multiply
    4,045.78x = 6,068.66 × 1,272.70
  4. Step 4: Simplify right side
    4,045.78x = 7,723,553.24
  5. Step 5: Solve for x
    x = 7,723,553.24/4,045.78
  6. Step 6: Final answer
    x = 1,909.04

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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.