Home / 7,332.89-10,998.02-3,171.78

Finding the Fourth Proportional to 7,332.89, 10,998.02 and 3,171.78

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Solution

The fourth proportional to 7,332.89, 10,998.02 and 3,171.78 is: 4,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.89 : 10,998.02 = 3,171.78 : x
  2. Step 2: Convert to fraction form
    7,332.89/10,998.02 = 3,171.78/x
  3. Step 3: Cross multiply
    7,332.89x = 10,998.02 × 3,171.78
  4. Step 4: Simplify right side
    7,332.89x = 34,883,284.02
  5. Step 5: Solve for x
    x = 34,883,284.02/7,332.89
  6. Step 6: Final answer
    x = 4,757.10

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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.