Home / 4,687.30-6,466.77-2,869.70

Finding the Fourth Proportional to 4,687.30, 6,466.77 and 2,869.70

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Solution

The fourth proportional to 4,687.30, 6,466.77 and 2,869.70 is: 3,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.30 : 6,466.77 = 2,869.70 : x
  2. Step 2: Convert to fraction form
    4,687.30/6,466.77 = 2,869.70/x
  3. Step 3: Cross multiply
    4,687.30x = 6,466.77 × 2,869.70
  4. Step 4: Simplify right side
    4,687.30x = 18,557,657.54
  5. Step 5: Solve for x
    x = 18,557,657.54/4,687.30
  6. Step 6: Final answer
    x = 3,959.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.