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Finding the Fourth Proportional to 4,565.77, 6,849.03 and 1,278.86

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Solution

The fourth proportional to 4,565.77, 6,849.03 and 1,278.86 is: 1,918.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,565.77 : 6,849.03 = 1,278.86 : x
  2. Step 2: Convert to fraction form
    4,565.77/6,849.03 = 1,278.86/x
  3. Step 3: Cross multiply
    4,565.77x = 6,849.03 × 1,278.86
  4. Step 4: Simplify right side
    4,565.77x = 8,758,916.26
  5. Step 5: Solve for x
    x = 8,758,916.26/4,565.77
  6. Step 6: Final answer
    x = 1,918.39

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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.