Home / 4,565.40-6,848.16-1,278.55

Finding the Fourth Proportional to 4,565.40, 6,848.16 and 1,278.55

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Solution

The fourth proportional to 4,565.40, 6,848.16 and 1,278.55 is: 1,917.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,565.40 : 6,848.16 = 1,278.55 : x
  2. Step 2: Convert to fraction form
    4,565.40/6,848.16 = 1,278.55/x
  3. Step 3: Cross multiply
    4,565.40x = 6,848.16 × 1,278.55
  4. Step 4: Simplify right side
    4,565.40x = 8,755,714.97
  5. Step 5: Solve for x
    x = 8,755,714.97/4,565.40
  6. Step 6: Final answer
    x = 1,917.84

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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.