Home / 5,179.60-7,769.44-1,717.12

Finding the Fourth Proportional to 5,179.60, 7,769.44 and 1,717.12

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Solution

The fourth proportional to 5,179.60, 7,769.44 and 1,717.12 is: 2,575.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.60 : 7,769.44 = 1,717.12 : x
  2. Step 2: Convert to fraction form
    5,179.60/7,769.44 = 1,717.12/x
  3. Step 3: Cross multiply
    5,179.60x = 7,769.44 × 1,717.12
  4. Step 4: Simplify right side
    5,179.60x = 13,341,060.81
  5. Step 5: Solve for x
    x = 13,341,060.81/5,179.60
  6. Step 6: Final answer
    x = 2,575.69

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1.5x scale

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.