Home / 5,775.72-8,658.45-2,812.65

Finding the Fourth Proportional to 5,775.72, 8,658.45 and 2,812.65

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Solution

The fourth proportional to 5,775.72, 8,658.45 and 2,812.65 is: 4,216.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.72 : 8,658.45 = 2,812.65 : x
  2. Step 2: Convert to fraction form
    5,775.72/8,658.45 = 2,812.65/x
  3. Step 3: Cross multiply
    5,775.72x = 8,658.45 × 2,812.65
  4. Step 4: Simplify right side
    5,775.72x = 24,353,189.39
  5. Step 5: Solve for x
    x = 24,353,189.39/5,775.72
  6. Step 6: Final answer
    x = 4,216.48

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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.