Home / 5,209.15-7,187.16-3,083.75

Finding the Fourth Proportional to 5,209.15, 7,187.16 and 3,083.75

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Solution

The fourth proportional to 5,209.15, 7,187.16 and 3,083.75 is: 4,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.15 : 7,187.16 = 3,083.75 : x
  2. Step 2: Convert to fraction form
    5,209.15/7,187.16 = 3,083.75/x
  3. Step 3: Cross multiply
    5,209.15x = 7,187.16 × 3,083.75
  4. Step 4: Simplify right side
    5,209.15x = 22,163,361.00
  5. Step 5: Solve for x
    x = 22,163,361.00/5,209.15
  6. Step 6: Final answer
    x = 4,254.70

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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.