Home / 7,091.36-10,637.75-2,712.50

Finding the Fourth Proportional to 7,091.36, 10,637.75 and 2,712.50

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Solution

The fourth proportional to 7,091.36, 10,637.75 and 2,712.50 is: 4,069.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.36 : 10,637.75 = 2,712.50 : x
  2. Step 2: Convert to fraction form
    7,091.36/10,637.75 = 2,712.50/x
  3. Step 3: Cross multiply
    7,091.36x = 10,637.75 × 2,712.50
  4. Step 4: Simplify right side
    7,091.36x = 28,854,883.31
  5. Step 5: Solve for x
    x = 28,854,883.31/7,091.36
  6. Step 6: Final answer
    x = 4,069.02

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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.