Home / 5,306.28-7,322.71-3,318.00

Finding the Fourth Proportional to 5,306.28, 7,322.71 and 3,318.00

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Solution

The fourth proportional to 5,306.28, 7,322.71 and 3,318.00 is: 4,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.28 : 7,322.71 = 3,318.00 : x
  2. Step 2: Convert to fraction form
    5,306.28/7,322.71 = 3,318.00/x
  3. Step 3: Cross multiply
    5,306.28x = 7,322.71 × 3,318.00
  4. Step 4: Simplify right side
    5,306.28x = 24,296,779.37
  5. Step 5: Solve for x
    x = 24,296,779.37/5,306.28
  6. Step 6: Final answer
    x = 4,578.87

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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.