Home / 7,335.37-10,998.93-3,172.78

Finding the Fourth Proportional to 7,335.37, 10,998.93 and 3,172.78

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Solution

The fourth proportional to 7,335.37, 10,998.93 and 3,172.78 is: 4,757.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.37 : 10,998.93 = 3,172.78 : x
  2. Step 2: Convert to fraction form
    7,335.37/10,998.93 = 3,172.78/x
  3. Step 3: Cross multiply
    7,335.37x = 10,998.93 × 3,172.78
  4. Step 4: Simplify right side
    7,335.37x = 34,897,185.13
  5. Step 5: Solve for x
    x = 34,897,185.13/7,335.37
  6. Step 6: Final answer
    x = 4,757.39

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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.