Home / 7,281.40-10,916.52-3,382.96

Finding the Fourth Proportional to 7,281.40, 10,916.52 and 3,382.96

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Solution

The fourth proportional to 7,281.40, 10,916.52 and 3,382.96 is: 5,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.40 : 10,916.52 = 3,382.96 : x
  2. Step 2: Convert to fraction form
    7,281.40/10,916.52 = 3,382.96/x
  3. Step 3: Cross multiply
    7,281.40x = 10,916.52 × 3,382.96
  4. Step 4: Simplify right side
    7,281.40x = 36,930,150.50
  5. Step 5: Solve for x
    x = 36,930,150.50/7,281.40
  6. Step 6: Final answer
    x = 5,071.85

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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.