Home / 4,785.28-7,177.11-1,322.53

Finding the Fourth Proportional to 4,785.28, 7,177.11 and 1,322.53

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Solution

The fourth proportional to 4,785.28, 7,177.11 and 1,322.53 is: 1,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.28 : 7,177.11 = 1,322.53 : x
  2. Step 2: Convert to fraction form
    4,785.28/7,177.11 = 1,322.53/x
  3. Step 3: Cross multiply
    4,785.28x = 7,177.11 × 1,322.53
  4. Step 4: Simplify right side
    4,785.28x = 9,491,943.29
  5. Step 5: Solve for x
    x = 9,491,943.29/4,785.28
  6. Step 6: Final answer
    x = 1,983.57

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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.