Home / 4,079.06-5,627.52-2,885.80

Finding the Fourth Proportional to 4,079.06, 5,627.52 and 2,885.80

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Solution

The fourth proportional to 4,079.06, 5,627.52 and 2,885.80 is: 3,981.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.06 : 5,627.52 = 2,885.80 : x
  2. Step 2: Convert to fraction form
    4,079.06/5,627.52 = 2,885.80/x
  3. Step 3: Cross multiply
    4,079.06x = 5,627.52 × 2,885.80
  4. Step 4: Simplify right side
    4,079.06x = 16,239,897.22
  5. Step 5: Solve for x
    x = 16,239,897.22/4,079.06
  6. Step 6: Final answer
    x = 3,981.28

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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.