Home / 5,505.03-8,256.20-2,580.39

Finding the Fourth Proportional to 5,505.03, 8,256.20 and 2,580.39

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Solution

The fourth proportional to 5,505.03, 8,256.20 and 2,580.39 is: 3,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.03 : 8,256.20 = 2,580.39 : x
  2. Step 2: Convert to fraction form
    5,505.03/8,256.20 = 2,580.39/x
  3. Step 3: Cross multiply
    5,505.03x = 8,256.20 × 2,580.39
  4. Step 4: Simplify right side
    5,505.03x = 21,304,203.02
  5. Step 5: Solve for x
    x = 21,304,203.02/5,505.03
  6. Step 6: Final answer
    x = 3,869.95

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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.