Home / 4,499.49-6,748.92-1,578

Finding the Fourth Proportional to 4,499.49, 6,748.92 and 1,578

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Solution

The fourth proportional to 4,499.49, 6,748.92 and 1,578 is: 2,366.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,499.49 : 6,748.92 = 1,578 : x
  2. Step 2: Convert to fraction form
    4,499.49/6,748.92 = 1,578/x
  3. Step 3: Cross multiply
    4,499.49x = 6,748.92 × 1,578
  4. Step 4: Simplify right side
    4,499.49x = 10,649,795.76
  5. Step 5: Solve for x
    x = 10,649,795.76/4,499.49
  6. Step 6: Final answer
    x = 2,366.89

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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.