Home / 7,319.60-10,979.16-2,935.88

Finding the Fourth Proportional to 7,319.60, 10,979.16 and 2,935.88

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Solution

The fourth proportional to 7,319.60, 10,979.16 and 2,935.88 is: 4,403.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.60 : 10,979.16 = 2,935.88 : x
  2. Step 2: Convert to fraction form
    7,319.60/10,979.16 = 2,935.88/x
  3. Step 3: Cross multiply
    7,319.60x = 10,979.16 × 2,935.88
  4. Step 4: Simplify right side
    7,319.60x = 32,233,496.26
  5. Step 5: Solve for x
    x = 32,233,496.26/7,319.60
  6. Step 6: Final answer
    x = 4,403.72

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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.