Home / 7,769.28-11,642.97-5,573.16

Finding the Fourth Proportional to 7,769.28, 11,642.97 and 5,573.16

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Solution

The fourth proportional to 7,769.28, 11,642.97 and 5,573.16 is: 8,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.28 : 11,642.97 = 5,573.16 : x
  2. Step 2: Convert to fraction form
    7,769.28/11,642.97 = 5,573.16/x
  3. Step 3: Cross multiply
    7,769.28x = 11,642.97 × 5,573.16
  4. Step 4: Simplify right side
    7,769.28x = 64,888,134.69
  5. Step 5: Solve for x
    x = 64,888,134.69/7,769.28
  6. Step 6: Final answer
    x = 8,351.89

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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.