Home / 7,039.61-10,560.81-3,144.02

Finding the Fourth Proportional to 7,039.61, 10,560.81 and 3,144.02

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Solution

The fourth proportional to 7,039.61, 10,560.81 and 3,144.02 is: 4,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.61 : 10,560.81 = 3,144.02 : x
  2. Step 2: Convert to fraction form
    7,039.61/10,560.81 = 3,144.02/x
  3. Step 3: Cross multiply
    7,039.61x = 10,560.81 × 3,144.02
  4. Step 4: Simplify right side
    7,039.61x = 33,203,356.84
  5. Step 5: Solve for x
    x = 33,203,356.84/7,039.61
  6. Step 6: Final answer
    x = 4,716.65

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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.