Home / 5,330.61-7,990.75-2,991.73

Finding the Fourth Proportional to 5,330.61, 7,990.75 and 2,991.73

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Solution

The fourth proportional to 5,330.61, 7,990.75 and 2,991.73 is: 4,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.61 : 7,990.75 = 2,991.73 : x
  2. Step 2: Convert to fraction form
    5,330.61/7,990.75 = 2,991.73/x
  3. Step 3: Cross multiply
    5,330.61x = 7,990.75 × 2,991.73
  4. Step 4: Simplify right side
    5,330.61x = 23,906,166.50
  5. Step 5: Solve for x
    x = 23,906,166.50/5,330.61
  6. Step 6: Final answer
    x = 4,484.70

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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.