Home / 5,709.45-8,565.18-1,812.94

Finding the Fourth Proportional to 5,709.45, 8,565.18 and 1,812.94

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Solution

The fourth proportional to 5,709.45, 8,565.18 and 1,812.94 is: 2,719.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709.45 : 8,565.18 = 1,812.94 : x
  2. Step 2: Convert to fraction form
    5,709.45/8,565.18 = 1,812.94/x
  3. Step 3: Cross multiply
    5,709.45x = 8,565.18 × 1,812.94
  4. Step 4: Simplify right side
    5,709.45x = 15,528,157.43
  5. Step 5: Solve for x
    x = 15,528,157.43/5,709.45
  6. Step 6: Final answer
    x = 2,719.73

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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.