Home / 9,154.56-13,722.40-3,605.65

Finding the Fourth Proportional to 9,154.56, 13,722.40 and 3,605.65

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Solution

The fourth proportional to 9,154.56, 13,722.40 and 3,605.65 is: 5,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.56 : 13,722.40 = 3,605.65 : x
  2. Step 2: Convert to fraction form
    9,154.56/13,722.40 = 3,605.65/x
  3. Step 3: Cross multiply
    9,154.56x = 13,722.40 × 3,605.65
  4. Step 4: Simplify right side
    9,154.56x = 49,478,171.56
  5. Step 5: Solve for x
    x = 49,478,171.56/9,154.56
  6. Step 6: Final answer
    x = 5,404.76

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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.