Home / 7,558.62-11,294.58-5,769.78

Finding the Fourth Proportional to 7,558.62, 11,294.58 and 5,769.78

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Solution

The fourth proportional to 7,558.62, 11,294.58 and 5,769.78 is: 8,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.62 : 11,294.58 = 5,769.78 : x
  2. Step 2: Convert to fraction form
    7,558.62/11,294.58 = 5,769.78/x
  3. Step 3: Cross multiply
    7,558.62x = 11,294.58 × 5,769.78
  4. Step 4: Simplify right side
    7,558.62x = 65,167,241.79
  5. Step 5: Solve for x
    x = 65,167,241.79/7,558.62
  6. Step 6: Final answer
    x = 8,621.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.