Home / 5,539.05-7,639.57-3,549.80

Finding the Fourth Proportional to 5,539.05, 7,639.57 and 3,549.80

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Solution

The fourth proportional to 5,539.05, 7,639.57 and 3,549.80 is: 4,895.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.05 : 7,639.57 = 3,549.80 : x
  2. Step 2: Convert to fraction form
    5,539.05/7,639.57 = 3,549.80/x
  3. Step 3: Cross multiply
    5,539.05x = 7,639.57 × 3,549.80
  4. Step 4: Simplify right side
    5,539.05x = 27,118,907.39
  5. Step 5: Solve for x
    x = 27,118,907.39/5,539.05
  6. Step 6: Final answer
    x = 4,895.95

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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.