Home / 7,332.12-10,998.72-2,138.13

Finding the Fourth Proportional to 7,332.12, 10,998.72 and 2,138.13

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Solution

The fourth proportional to 7,332.12, 10,998.72 and 2,138.13 is: 3,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.12 : 10,998.72 = 2,138.13 : x
  2. Step 2: Convert to fraction form
    7,332.12/10,998.72 = 2,138.13/x
  3. Step 3: Cross multiply
    7,332.12x = 10,998.72 × 2,138.13
  4. Step 4: Simplify right side
    7,332.12x = 23,516,693.19
  5. Step 5: Solve for x
    x = 23,516,693.19/7,332.12
  6. Step 6: Final answer
    x = 3,207.35

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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.