Home / 5,176.69-7,764.30-1,479.22

Finding the Fourth Proportional to 5,176.69, 7,764.30 and 1,479.22

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Solution

The fourth proportional to 5,176.69, 7,764.30 and 1,479.22 is: 2,218.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.69 : 7,764.30 = 1,479.22 : x
  2. Step 2: Convert to fraction form
    5,176.69/7,764.30 = 1,479.22/x
  3. Step 3: Cross multiply
    5,176.69x = 7,764.30 × 1,479.22
  4. Step 4: Simplify right side
    5,176.69x = 11,485,088.44
  5. Step 5: Solve for x
    x = 11,485,088.44/5,176.69
  6. Step 6: Final answer
    x = 2,218.62

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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.