Home / 6,962.39-9,606.63-3,979.19

Finding the Fourth Proportional to 6,962.39, 9,606.63 and 3,979.19

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Solution

The fourth proportional to 6,962.39, 9,606.63 and 3,979.19 is: 5,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,962.39 : 9,606.63 = 3,979.19 : x
  2. Step 2: Convert to fraction form
    6,962.39/9,606.63 = 3,979.19/x
  3. Step 3: Cross multiply
    6,962.39x = 9,606.63 × 3,979.19
  4. Step 4: Simplify right side
    6,962.39x = 38,226,644.97
  5. Step 5: Solve for x
    x = 38,226,644.97/6,962.39
  6. Step 6: Final answer
    x = 5,490.45

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1.5x scale

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.