Home / 6,552.05-9,039.79-3,719.28

Finding the Fourth Proportional to 6,552.05, 9,039.79 and 3,719.28

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Solution

The fourth proportional to 6,552.05, 9,039.79 and 3,719.28 is: 5,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,552.05 : 9,039.79 = 3,719.28 : x
  2. Step 2: Convert to fraction form
    6,552.05/9,039.79 = 3,719.28/x
  3. Step 3: Cross multiply
    6,552.05x = 9,039.79 × 3,719.28
  4. Step 4: Simplify right side
    6,552.05x = 33,621,491.55
  5. Step 5: Solve for x
    x = 33,621,491.55/6,552.05
  6. Step 6: Final answer
    x = 5,131.45

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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.