Home / 4,769.70-7,155.03-1,306.95

Finding the Fourth Proportional to 4,769.70, 7,155.03 and 1,306.95

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Solution

The fourth proportional to 4,769.70, 7,155.03 and 1,306.95 is: 1,960.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.70 : 7,155.03 = 1,306.95 : x
  2. Step 2: Convert to fraction form
    4,769.70/7,155.03 = 1,306.95/x
  3. Step 3: Cross multiply
    4,769.70x = 7,155.03 × 1,306.95
  4. Step 4: Simplify right side
    4,769.70x = 9,351,266.46
  5. Step 5: Solve for x
    x = 9,351,266.46/4,769.70
  6. Step 6: Final answer
    x = 1,960.56

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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.