Home / 5,154.49-7,724.85-2,684.13

Finding the Fourth Proportional to 5,154.49, 7,724.85 and 2,684.13

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Solution

The fourth proportional to 5,154.49, 7,724.85 and 2,684.13 is: 4,022.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.49 : 7,724.85 = 2,684.13 : x
  2. Step 2: Convert to fraction form
    5,154.49/7,724.85 = 2,684.13/x
  3. Step 3: Cross multiply
    5,154.49x = 7,724.85 × 2,684.13
  4. Step 4: Simplify right side
    5,154.49x = 20,734,501.63
  5. Step 5: Solve for x
    x = 20,734,501.63/5,154.49
  6. Step 6: Final answer
    x = 4,022.61

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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.