Home / 5,209.73-7,816.39-2,287.61

Finding the Fourth Proportional to 5,209.73, 7,816.39 and 2,287.61

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Solution

The fourth proportional to 5,209.73, 7,816.39 and 2,287.61 is: 3,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.73 : 7,816.39 = 2,287.61 : x
  2. Step 2: Convert to fraction form
    5,209.73/7,816.39 = 2,287.61/x
  3. Step 3: Cross multiply
    5,209.73x = 7,816.39 × 2,287.61
  4. Step 4: Simplify right side
    5,209.73x = 17,880,807.13
  5. Step 5: Solve for x
    x = 17,880,807.13/5,209.73
  6. Step 6: Final answer
    x = 3,432.20

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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.