Home / 4,395.15-6,074.06-3,279.78

Finding the Fourth Proportional to 4,395.15, 6,074.06 and 3,279.78

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Solution

The fourth proportional to 4,395.15, 6,074.06 and 3,279.78 is: 4,532.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,395.15 : 6,074.06 = 3,279.78 : x
  2. Step 2: Convert to fraction form
    4,395.15/6,074.06 = 3,279.78/x
  3. Step 3: Cross multiply
    4,395.15x = 6,074.06 × 3,279.78
  4. Step 4: Simplify right side
    4,395.15x = 19,921,564.11
  5. Step 5: Solve for x
    x = 19,921,564.11/4,395.15
  6. Step 6: Final answer
    x = 4,532.62

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1.5x scale

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.