Home / 8,454.87-11,668.60-4,869.95

Finding the Fourth Proportional to 8,454.87, 11,668.60 and 4,869.95

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Solution

The fourth proportional to 8,454.87, 11,668.60 and 4,869.95 is: 6,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.87 : 11,668.60 = 4,869.95 : x
  2. Step 2: Convert to fraction form
    8,454.87/11,668.60 = 4,869.95/x
  3. Step 3: Cross multiply
    8,454.87x = 11,668.60 × 4,869.95
  4. Step 4: Simplify right side
    8,454.87x = 56,825,498.57
  5. Step 5: Solve for x
    x = 56,825,498.57/8,454.87
  6. Step 6: Final answer
    x = 6,721.04

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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.