Home / 7,631.28-11,424.60-5,789.66

Finding the Fourth Proportional to 7,631.28, 11,424.60 and 5,789.66

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Solution

The fourth proportional to 7,631.28, 11,424.60 and 5,789.66 is: 8,667.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.28 : 11,424.60 = 5,789.66 : x
  2. Step 2: Convert to fraction form
    7,631.28/11,424.60 = 5,789.66/x
  3. Step 3: Cross multiply
    7,631.28x = 11,424.60 × 5,789.66
  4. Step 4: Simplify right side
    7,631.28x = 66,144,549.64
  5. Step 5: Solve for x
    x = 66,144,549.64/7,631.28
  6. Step 6: Final answer
    x = 8,667.56

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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.