Home / 5,210.33-7,815.49-2,612.66

Finding the Fourth Proportional to 5,210.33, 7,815.49 and 2,612.66

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Solution

The fourth proportional to 5,210.33, 7,815.49 and 2,612.66 is: 3,918.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.33 : 7,815.49 = 2,612.66 : x
  2. Step 2: Convert to fraction form
    5,210.33/7,815.49 = 2,612.66/x
  3. Step 3: Cross multiply
    5,210.33x = 7,815.49 × 2,612.66
  4. Step 4: Simplify right side
    5,210.33x = 20,419,172.49
  5. Step 5: Solve for x
    x = 20,419,172.49/5,210.33
  6. Step 6: Final answer
    x = 3,918.98

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Similar ratio
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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.