Home / 5,176.26-7,763.85-1,478.25

Finding the Fourth Proportional to 5,176.26, 7,763.85 and 1,478.25

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Solution

The fourth proportional to 5,176.26, 7,763.85 and 1,478.25 is: 2,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.26 : 7,763.85 = 1,478.25 : x
  2. Step 2: Convert to fraction form
    5,176.26/7,763.85 = 1,478.25/x
  3. Step 3: Cross multiply
    5,176.26x = 7,763.85 × 1,478.25
  4. Step 4: Simplify right side
    5,176.26x = 11,476,911.26
  5. Step 5: Solve for x
    x = 11,476,911.26/5,176.26
  6. Step 6: Final answer
    x = 2,217.22

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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.