Home / 5,777.70-8,660.61-2,488.02

Finding the Fourth Proportional to 5,777.70, 8,660.61 and 2,488.02

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Solution

The fourth proportional to 5,777.70, 8,660.61 and 2,488.02 is: 3,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.70 : 8,660.61 = 2,488.02 : x
  2. Step 2: Convert to fraction form
    5,777.70/8,660.61 = 2,488.02/x
  3. Step 3: Cross multiply
    5,777.70x = 8,660.61 × 2,488.02
  4. Step 4: Simplify right side
    5,777.70x = 21,547,770.89
  5. Step 5: Solve for x
    x = 21,547,770.89/5,777.70
  6. Step 6: Final answer
    x = 3,729.47

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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.