Home / 4,521.59-6,780.56-1,400.86

Finding the Fourth Proportional to 4,521.59, 6,780.56 and 1,400.86

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Solution

The fourth proportional to 4,521.59, 6,780.56 and 1,400.86 is: 2,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.59 : 6,780.56 = 1,400.86 : x
  2. Step 2: Convert to fraction form
    4,521.59/6,780.56 = 1,400.86/x
  3. Step 3: Cross multiply
    4,521.59x = 6,780.56 × 1,400.86
  4. Step 4: Simplify right side
    4,521.59x = 9,498,591.33
  5. Step 5: Solve for x
    x = 9,498,591.33/4,521.59
  6. Step 6: Final answer
    x = 2,100.72

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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.