Home / 5,330.97-7,981.38-2,826.45

Finding the Fourth Proportional to 5,330.97, 7,981.38 and 2,826.45

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Solution

The fourth proportional to 5,330.97, 7,981.38 and 2,826.45 is: 4,231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.97 : 7,981.38 = 2,826.45 : x
  2. Step 2: Convert to fraction form
    5,330.97/7,981.38 = 2,826.45/x
  3. Step 3: Cross multiply
    5,330.97x = 7,981.38 × 2,826.45
  4. Step 4: Simplify right side
    5,330.97x = 22,558,971.50
  5. Step 5: Solve for x
    x = 22,558,971.50/5,330.97
  6. Step 6: Final answer
    x = 4,231.68

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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.