Home / 5,569.85-8,355.68-1,871.69

Finding the Fourth Proportional to 5,569.85, 8,355.68 and 1,871.69

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Solution

The fourth proportional to 5,569.85, 8,355.68 and 1,871.69 is: 2,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.85 : 8,355.68 = 1,871.69 : x
  2. Step 2: Convert to fraction form
    5,569.85/8,355.68 = 1,871.69/x
  3. Step 3: Cross multiply
    5,569.85x = 8,355.68 × 1,871.69
  4. Step 4: Simplify right side
    5,569.85x = 15,639,191.56
  5. Step 5: Solve for x
    x = 15,639,191.56/5,569.85
  6. Step 6: Final answer
    x = 2,807.83

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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.