Home / 4,862.50-7,279.61-3,618.61

Finding the Fourth Proportional to 4,862.50, 7,279.61 and 3,618.61

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Solution

The fourth proportional to 4,862.50, 7,279.61 and 3,618.61 is: 5,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.50 : 7,279.61 = 3,618.61 : x
  2. Step 2: Convert to fraction form
    4,862.50/7,279.61 = 3,618.61/x
  3. Step 3: Cross multiply
    4,862.50x = 7,279.61 × 3,618.61
  4. Step 4: Simplify right side
    4,862.50x = 26,342,033.25
  5. Step 5: Solve for x
    x = 26,342,033.25/4,862.50
  6. Step 6: Final answer
    x = 5,417.39

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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.