Home / 5,176.62-7,764.99-1,478.70

Finding the Fourth Proportional to 5,176.62, 7,764.99 and 1,478.70

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Solution

The fourth proportional to 5,176.62, 7,764.99 and 1,478.70 is: 2,218.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.62 : 7,764.99 = 1,478.70 : x
  2. Step 2: Convert to fraction form
    5,176.62/7,764.99 = 1,478.70/x
  3. Step 3: Cross multiply
    5,176.62x = 7,764.99 × 1,478.70
  4. Step 4: Simplify right side
    5,176.62x = 11,482,090.71
  5. Step 5: Solve for x
    x = 11,482,090.71/5,176.62
  6. Step 6: Final answer
    x = 2,218.07

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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.