Home / 4,486.50-6,685.16-3,995.78

Finding the Fourth Proportional to 4,486.50, 6,685.16 and 3,995.78

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Solution

The fourth proportional to 4,486.50, 6,685.16 and 3,995.78 is: 5,953.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.50 : 6,685.16 = 3,995.78 : x
  2. Step 2: Convert to fraction form
    4,486.50/6,685.16 = 3,995.78/x
  3. Step 3: Cross multiply
    4,486.50x = 6,685.16 × 3,995.78
  4. Step 4: Simplify right side
    4,486.50x = 26,712,375.22
  5. Step 5: Solve for x
    x = 26,712,375.22/4,486.50
  6. Step 6: Final answer
    x = 5,953.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.