Home / 5,719.14-8,574.45-3,865.05

Finding the Fourth Proportional to 5,719.14, 8,574.45 and 3,865.05

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Solution

The fourth proportional to 5,719.14, 8,574.45 and 3,865.05 is: 5,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.14 : 8,574.45 = 3,865.05 : x
  2. Step 2: Convert to fraction form
    5,719.14/8,574.45 = 3,865.05/x
  3. Step 3: Cross multiply
    5,719.14x = 8,574.45 × 3,865.05
  4. Step 4: Simplify right side
    5,719.14x = 33,140,677.97
  5. Step 5: Solve for x
    x = 33,140,677.97/5,719.14
  6. Step 6: Final answer
    x = 5,794.70

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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.