Home / 7,332.18-10,998.09-2,138.10

Finding the Fourth Proportional to 7,332.18, 10,998.09 and 2,138.10

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Solution

The fourth proportional to 7,332.18, 10,998.09 and 2,138.10 is: 3,207.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.18 : 10,998.09 = 2,138.10 : x
  2. Step 2: Convert to fraction form
    7,332.18/10,998.09 = 2,138.10/x
  3. Step 3: Cross multiply
    7,332.18x = 10,998.09 × 2,138.10
  4. Step 4: Simplify right side
    7,332.18x = 23,515,016.23
  5. Step 5: Solve for x
    x = 23,515,016.23/7,332.18
  6. Step 6: Final answer
    x = 3,207.10

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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.