Home / 6,966.63-9,613.85-3,982.40

Finding the Fourth Proportional to 6,966.63, 9,613.85 and 3,982.40

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Solution

The fourth proportional to 6,966.63, 9,613.85 and 3,982.40 is: 5,495.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,966.63 : 9,613.85 = 3,982.40 : x
  2. Step 2: Convert to fraction form
    6,966.63/9,613.85 = 3,982.40/x
  3. Step 3: Cross multiply
    6,966.63x = 9,613.85 × 3,982.40
  4. Step 4: Simplify right side
    6,966.63x = 38,286,128.26
  5. Step 5: Solve for x
    x = 38,286,128.26/6,966.63
  6. Step 6: Final answer
    x = 5,495.65

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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.