Home / 5,436.05-7,504.85-3,578.45

Finding the Fourth Proportional to 5,436.05, 7,504.85 and 3,578.45

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Solution

The fourth proportional to 5,436.05, 7,504.85 and 3,578.45 is: 4,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.05 : 7,504.85 = 3,578.45 : x
  2. Step 2: Convert to fraction form
    5,436.05/7,504.85 = 3,578.45/x
  3. Step 3: Cross multiply
    5,436.05x = 7,504.85 × 3,578.45
  4. Step 4: Simplify right side
    5,436.05x = 26,855,701.90
  5. Step 5: Solve for x
    x = 26,855,701.90/5,436.05
  6. Step 6: Final answer
    x = 4,940.30

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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.