Home / 7,748.74-11,616.56-3,362.88

Finding the Fourth Proportional to 7,748.74, 11,616.56 and 3,362.88

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Solution

The fourth proportional to 7,748.74, 11,616.56 and 3,362.88 is: 5,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.74 : 11,616.56 = 3,362.88 : x
  2. Step 2: Convert to fraction form
    7,748.74/11,616.56 = 3,362.88/x
  3. Step 3: Cross multiply
    7,748.74x = 11,616.56 × 3,362.88
  4. Step 4: Simplify right side
    7,748.74x = 39,065,097.29
  5. Step 5: Solve for x
    x = 39,065,097.29/7,748.74
  6. Step 6: Final answer
    x = 5,041.48

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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.