Home / 7,377.57-11,069.91-3,680.31

Finding the Fourth Proportional to 7,377.57, 11,069.91 and 3,680.31

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Solution

The fourth proportional to 7,377.57, 11,069.91 and 3,680.31 is: 5,522.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.57 : 11,069.91 = 3,680.31 : x
  2. Step 2: Convert to fraction form
    7,377.57/11,069.91 = 3,680.31/x
  3. Step 3: Cross multiply
    7,377.57x = 11,069.91 × 3,680.31
  4. Step 4: Simplify right side
    7,377.57x = 40,740,700.47
  5. Step 5: Solve for x
    x = 40,740,700.47/7,377.57
  6. Step 6: Final answer
    x = 5,522.24

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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.