Home / 4,778.26-7,159.83-3,685.30

Finding the Fourth Proportional to 4,778.26, 7,159.83 and 3,685.30

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Solution

The fourth proportional to 4,778.26, 7,159.83 and 3,685.30 is: 5,522.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.26 : 7,159.83 = 3,685.30 : x
  2. Step 2: Convert to fraction form
    4,778.26/7,159.83 = 3,685.30/x
  3. Step 3: Cross multiply
    4,778.26x = 7,159.83 × 3,685.30
  4. Step 4: Simplify right side
    4,778.26x = 26,386,121.50
  5. Step 5: Solve for x
    x = 26,386,121.50/4,778.26
  6. Step 6: Final answer
    x = 5,522.12

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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.