Home / 7,187.59-10,781.43-2,507.58

Finding the Fourth Proportional to 7,187.59, 10,781.43 and 2,507.58

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Solution

The fourth proportional to 7,187.59, 10,781.43 and 2,507.58 is: 3,761.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.59 : 10,781.43 = 2,507.58 : x
  2. Step 2: Convert to fraction form
    7,187.59/10,781.43 = 2,507.58/x
  3. Step 3: Cross multiply
    7,187.59x = 10,781.43 × 2,507.58
  4. Step 4: Simplify right side
    7,187.59x = 27,035,244.33
  5. Step 5: Solve for x
    x = 27,035,244.33/7,187.59
  6. Step 6: Final answer
    x = 3,761.38

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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.