Home / 4,521.83-6,780.92-1,887.60

Finding the Fourth Proportional to 4,521.83, 6,780.92 and 1,887.60

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Solution

The fourth proportional to 4,521.83, 6,780.92 and 1,887.60 is: 2,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.83 : 6,780.92 = 1,887.60 : x
  2. Step 2: Convert to fraction form
    4,521.83/6,780.92 = 1,887.60/x
  3. Step 3: Cross multiply
    4,521.83x = 6,780.92 × 1,887.60
  4. Step 4: Simplify right side
    4,521.83x = 12,799,680.58
  5. Step 5: Solve for x
    x = 12,799,680.58/4,521.83
  6. Step 6: Final answer
    x = 2,830.64

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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.