Home / 7,481.60-10,325.12-4,959.34

Finding the Fourth Proportional to 7,481.60, 10,325.12 and 4,959.34

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Solution

The fourth proportional to 7,481.60, 10,325.12 and 4,959.34 is: 6,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.60 : 10,325.12 = 4,959.34 : x
  2. Step 2: Convert to fraction form
    7,481.60/10,325.12 = 4,959.34/x
  3. Step 3: Cross multiply
    7,481.60x = 10,325.12 × 4,959.34
  4. Step 4: Simplify right side
    7,481.60x = 51,205,780.62
  5. Step 5: Solve for x
    x = 51,205,780.62/7,481.60
  6. Step 6: Final answer
    x = 6,844.23

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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.