Home / 6,930.40-10,383.32-5,281.96

Finding the Fourth Proportional to 6,930.40, 10,383.32 and 5,281.96

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Solution

The fourth proportional to 6,930.40, 10,383.32 and 5,281.96 is: 7,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.40 : 10,383.32 = 5,281.96 : x
  2. Step 2: Convert to fraction form
    6,930.40/10,383.32 = 5,281.96/x
  3. Step 3: Cross multiply
    6,930.40x = 10,383.32 × 5,281.96
  4. Step 4: Simplify right side
    6,930.40x = 54,844,280.91
  5. Step 5: Solve for x
    x = 54,844,280.91/6,930.40
  6. Step 6: Final answer
    x = 7,913.58

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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.