Home / 4,642.72-6,961.95-1,867.05

Finding the Fourth Proportional to 4,642.72, 6,961.95 and 1,867.05

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Solution

The fourth proportional to 4,642.72, 6,961.95 and 1,867.05 is: 2,799.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.72 : 6,961.95 = 1,867.05 : x
  2. Step 2: Convert to fraction form
    4,642.72/6,961.95 = 1,867.05/x
  3. Step 3: Cross multiply
    4,642.72x = 6,961.95 × 1,867.05
  4. Step 4: Simplify right side
    4,642.72x = 12,998,308.75
  5. Step 5: Solve for x
    x = 12,998,308.75/4,642.72
  6. Step 6: Final answer
    x = 2,799.72

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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.