Home / 5,628.29-8,437.67-3,438.55

Finding the Fourth Proportional to 5,628.29, 8,437.67 and 3,438.55

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Solution

The fourth proportional to 5,628.29, 8,437.67 and 3,438.55 is: 5,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.29 : 8,437.67 = 3,438.55 : x
  2. Step 2: Convert to fraction form
    5,628.29/8,437.67 = 3,438.55/x
  3. Step 3: Cross multiply
    5,628.29x = 8,437.67 × 3,438.55
  4. Step 4: Simplify right side
    5,628.29x = 29,013,356.43
  5. Step 5: Solve for x
    x = 29,013,356.43/5,628.29
  6. Step 6: Final answer
    x = 5,154.92

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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.