Home / 7,254.48-10,879.92-3,355.20

Finding the Fourth Proportional to 7,254.48, 10,879.92 and 3,355.20

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Solution

The fourth proportional to 7,254.48, 10,879.92 and 3,355.20 is: 5,031.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254.48 : 10,879.92 = 3,355.20 : x
  2. Step 2: Convert to fraction form
    7,254.48/10,879.92 = 3,355.20/x
  3. Step 3: Cross multiply
    7,254.48x = 10,879.92 × 3,355.20
  4. Step 4: Simplify right side
    7,254.48x = 36,504,307.58
  5. Step 5: Solve for x
    x = 36,504,307.58/7,254.48
  6. Step 6: Final answer
    x = 5,031.97

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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.