Home / 8,938.44-12,332.34-5,161.14

Finding the Fourth Proportional to 8,938.44, 12,332.34 and 5,161.14

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Solution

The fourth proportional to 8,938.44, 12,332.34 and 5,161.14 is: 7,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.44 : 12,332.34 = 5,161.14 : x
  2. Step 2: Convert to fraction form
    8,938.44/12,332.34 = 5,161.14/x
  3. Step 3: Cross multiply
    8,938.44x = 12,332.34 × 5,161.14
  4. Step 4: Simplify right side
    8,938.44x = 63,648,933.27
  5. Step 5: Solve for x
    x = 63,648,933.27/8,938.44
  6. Step 6: Final answer
    x = 7,120.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.