Home / 5,921.27-8,881.82-3,426.20

Finding the Fourth Proportional to 5,921.27, 8,881.82 and 3,426.20

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Solution

The fourth proportional to 5,921.27, 8,881.82 and 3,426.20 is: 5,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.27 : 8,881.82 = 3,426.20 : x
  2. Step 2: Convert to fraction form
    5,921.27/8,881.82 = 3,426.20/x
  3. Step 3: Cross multiply
    5,921.27x = 8,881.82 × 3,426.20
  4. Step 4: Simplify right side
    5,921.27x = 30,430,830.14
  5. Step 5: Solve for x
    x = 30,430,830.14/5,921.27
  6. Step 6: Final answer
    x = 5,139.24

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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.