Home / 7,311.62-10,967.42-2,117.49

Finding the Fourth Proportional to 7,311.62, 10,967.42 and 2,117.49

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Solution

The fourth proportional to 7,311.62, 10,967.42 and 2,117.49 is: 3,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.62 : 10,967.42 = 2,117.49 : x
  2. Step 2: Convert to fraction form
    7,311.62/10,967.42 = 2,117.49/x
  3. Step 3: Cross multiply
    7,311.62x = 10,967.42 × 2,117.49
  4. Step 4: Simplify right side
    7,311.62x = 23,223,407.47
  5. Step 5: Solve for x
    x = 23,223,407.47/7,311.62
  6. Step 6: Final answer
    x = 3,176.24

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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.