Home / 5,209.20-7,187.36-3,084.77

Finding the Fourth Proportional to 5,209.20, 7,187.36 and 3,084.77

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Solution

The fourth proportional to 5,209.20, 7,187.36 and 3,084.77 is: 4,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.20 : 7,187.36 = 3,084.77 : x
  2. Step 2: Convert to fraction form
    5,209.20/7,187.36 = 3,084.77/x
  3. Step 3: Cross multiply
    5,209.20x = 7,187.36 × 3,084.77
  4. Step 4: Simplify right side
    5,209.20x = 22,171,355.05
  5. Step 5: Solve for x
    x = 22,171,355.05/5,209.20
  6. Step 6: Final answer
    x = 4,256.19

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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.