Home / 4,606.60-6,910.96-1,319.72

Finding the Fourth Proportional to 4,606.60, 6,910.96 and 1,319.72

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Solution

The fourth proportional to 4,606.60, 6,910.96 and 1,319.72 is: 1,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,606.60 : 6,910.96 = 1,319.72 : x
  2. Step 2: Convert to fraction form
    4,606.60/6,910.96 = 1,319.72/x
  3. Step 3: Cross multiply
    4,606.60x = 6,910.96 × 1,319.72
  4. Step 4: Simplify right side
    4,606.60x = 9,120,532.13
  5. Step 5: Solve for x
    x = 9,120,532.13/4,606.60
  6. Step 6: Final answer
    x = 1,979.88

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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.