Home / 5,926.20-8,921.43-5,409.52

Finding the Fourth Proportional to 5,926.20, 8,921.43 and 5,409.52

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Solution

The fourth proportional to 5,926.20, 8,921.43 and 5,409.52 is: 8,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,926.20 : 8,921.43 = 5,409.52 : x
  2. Step 2: Convert to fraction form
    5,926.20/8,921.43 = 5,409.52/x
  3. Step 3: Cross multiply
    5,926.20x = 8,921.43 × 5,409.52
  4. Step 4: Simplify right side
    5,926.20x = 48,260,654.01
  5. Step 5: Solve for x
    x = 48,260,654.01/5,926.20
  6. Step 6: Final answer
    x = 8,143.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.