Home / 6,690.11-10,041.24-3,572.78

Finding the Fourth Proportional to 6,690.11, 10,041.24 and 3,572.78

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Solution

The fourth proportional to 6,690.11, 10,041.24 and 3,572.78 is: 5,362.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.11 : 10,041.24 = 3,572.78 : x
  2. Step 2: Convert to fraction form
    6,690.11/10,041.24 = 3,572.78/x
  3. Step 3: Cross multiply
    6,690.11x = 10,041.24 × 3,572.78
  4. Step 4: Simplify right side
    6,690.11x = 35,875,141.45
  5. Step 5: Solve for x
    x = 35,875,141.45/6,690.11
  6. Step 6: Final answer
    x = 5,362.41

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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.