Home / 5,310.69-7,329.11-3,545.25

Finding the Fourth Proportional to 5,310.69, 7,329.11 and 3,545.25

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Solution

The fourth proportional to 5,310.69, 7,329.11 and 3,545.25 is: 4,892.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.69 : 7,329.11 = 3,545.25 : x
  2. Step 2: Convert to fraction form
    5,310.69/7,329.11 = 3,545.25/x
  3. Step 3: Cross multiply
    5,310.69x = 7,329.11 × 3,545.25
  4. Step 4: Simplify right side
    5,310.69x = 25,983,509.50
  5. Step 5: Solve for x
    x = 25,983,509.50/5,310.69
  6. Step 6: Final answer
    x = 4,892.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.