Home / 4,521.60-6,780.95-1,442.88

Finding the Fourth Proportional to 4,521.60, 6,780.95 and 1,442.88

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Solution

The fourth proportional to 4,521.60, 6,780.95 and 1,442.88 is: 2,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.60 : 6,780.95 = 1,442.88 : x
  2. Step 2: Convert to fraction form
    4,521.60/6,780.95 = 1,442.88/x
  3. Step 3: Cross multiply
    4,521.60x = 6,780.95 × 1,442.88
  4. Step 4: Simplify right side
    4,521.60x = 9,784,097.14
  5. Step 5: Solve for x
    x = 9,784,097.14/4,521.60
  6. Step 6: Final answer
    x = 2,163.86

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1.5x scale

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.