Home / 5,539.18-7,640.07-3,767.62

Finding the Fourth Proportional to 5,539.18, 7,640.07 and 3,767.62

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Solution

The fourth proportional to 5,539.18, 7,640.07 and 3,767.62 is: 5,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.18 : 7,640.07 = 3,767.62 : x
  2. Step 2: Convert to fraction form
    5,539.18/7,640.07 = 3,767.62/x
  3. Step 3: Cross multiply
    5,539.18x = 7,640.07 × 3,767.62
  4. Step 4: Simplify right side
    5,539.18x = 28,784,880.53
  5. Step 5: Solve for x
    x = 28,784,880.53/5,539.18
  6. Step 6: Final answer
    x = 5,196.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.