Home / 6,600.81-9,109.23-3,616.94

Finding the Fourth Proportional to 6,600.81, 9,109.23 and 3,616.94

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Solution

The fourth proportional to 6,600.81, 9,109.23 and 3,616.94 is: 4,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.81 : 9,109.23 = 3,616.94 : x
  2. Step 2: Convert to fraction form
    6,600.81/9,109.23 = 3,616.94/x
  3. Step 3: Cross multiply
    6,600.81x = 9,109.23 × 3,616.94
  4. Step 4: Simplify right side
    6,600.81x = 32,947,492.81
  5. Step 5: Solve for x
    x = 32,947,492.81/6,600.81
  6. Step 6: Final answer
    x = 4,991.43

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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.