Home / 8,517.03-12,775.60-2,970.35

Finding the Fourth Proportional to 8,517.03, 12,775.60 and 2,970.35

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Solution

The fourth proportional to 8,517.03, 12,775.60 and 2,970.35 is: 4,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.03 : 12,775.60 = 2,970.35 : x
  2. Step 2: Convert to fraction form
    8,517.03/12,775.60 = 2,970.35/x
  3. Step 3: Cross multiply
    8,517.03x = 12,775.60 × 2,970.35
  4. Step 4: Simplify right side
    8,517.03x = 37,948,003.46
  5. Step 5: Solve for x
    x = 37,948,003.46/8,517.03
  6. Step 6: Final answer
    x = 4,455.54

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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.