Home / 7,086.08-10,629.28-2,155.52

Finding the Fourth Proportional to 7,086.08, 10,629.28 and 2,155.52

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Solution

The fourth proportional to 7,086.08, 10,629.28 and 2,155.52 is: 3,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086.08 : 10,629.28 = 2,155.52 : x
  2. Step 2: Convert to fraction form
    7,086.08/10,629.28 = 2,155.52/x
  3. Step 3: Cross multiply
    7,086.08x = 10,629.28 × 2,155.52
  4. Step 4: Simplify right side
    7,086.08x = 22,911,625.63
  5. Step 5: Solve for x
    x = 22,911,625.63/7,086.08
  6. Step 6: Final answer
    x = 3,233.33

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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.