Home / 5,098.80-7,039.74-3,187.51

Finding the Fourth Proportional to 5,098.80, 7,039.74 and 3,187.51

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Solution

The fourth proportional to 5,098.80, 7,039.74 and 3,187.51 is: 4,400.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.80 : 7,039.74 = 3,187.51 : x
  2. Step 2: Convert to fraction form
    5,098.80/7,039.74 = 3,187.51/x
  3. Step 3: Cross multiply
    5,098.80x = 7,039.74 × 3,187.51
  4. Step 4: Simplify right side
    5,098.80x = 22,439,224.05
  5. Step 5: Solve for x
    x = 22,439,224.05/5,098.80
  6. Step 6: Final answer
    x = 4,400.88

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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.