Home / 7,154.75-10,719.61-4,964.87

Finding the Fourth Proportional to 7,154.75, 10,719.61 and 4,964.87

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Solution

The fourth proportional to 7,154.75, 10,719.61 and 4,964.87 is: 7,438.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.75 : 10,719.61 = 4,964.87 : x
  2. Step 2: Convert to fraction form
    7,154.75/10,719.61 = 4,964.87/x
  3. Step 3: Cross multiply
    7,154.75x = 10,719.61 × 4,964.87
  4. Step 4: Simplify right side
    7,154.75x = 53,221,470.10
  5. Step 5: Solve for x
    x = 53,221,470.10/7,154.75
  6. Step 6: Final answer
    x = 7,438.62

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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.