Home / 5,209.95-7,814.93-2,612.28

Finding the Fourth Proportional to 5,209.95, 7,814.93 and 2,612.28

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Solution

The fourth proportional to 5,209.95, 7,814.93 and 2,612.28 is: 3,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.95 : 7,814.93 = 2,612.28 : x
  2. Step 2: Convert to fraction form
    5,209.95/7,814.93 = 2,612.28/x
  3. Step 3: Cross multiply
    5,209.95x = 7,814.93 × 2,612.28
  4. Step 4: Simplify right side
    5,209.95x = 20,414,772.28
  5. Step 5: Solve for x
    x = 20,414,772.28/5,209.95
  6. Step 6: Final answer
    x = 3,918.42

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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.