Home / 4,878.59-7,319.25-1,958.95

Finding the Fourth Proportional to 4,878.59, 7,319.25 and 1,958.95

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Solution

The fourth proportional to 4,878.59, 7,319.25 and 1,958.95 is: 2,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.59 : 7,319.25 = 1,958.95 : x
  2. Step 2: Convert to fraction form
    4,878.59/7,319.25 = 1,958.95/x
  3. Step 3: Cross multiply
    4,878.59x = 7,319.25 × 1,958.95
  4. Step 4: Simplify right side
    4,878.59x = 14,338,008.19
  5. Step 5: Solve for x
    x = 14,338,008.19/4,878.59
  6. Step 6: Final answer
    x = 2,938.97

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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.