Home / 5,192.32-7,788.54-1,296.76

Finding the Fourth Proportional to 5,192.32, 7,788.54 and 1,296.76

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Solution

The fourth proportional to 5,192.32, 7,788.54 and 1,296.76 is: 1,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.32 : 7,788.54 = 1,296.76 : x
  2. Step 2: Convert to fraction form
    5,192.32/7,788.54 = 1,296.76/x
  3. Step 3: Cross multiply
    5,192.32x = 7,788.54 × 1,296.76
  4. Step 4: Simplify right side
    5,192.32x = 10,099,867.13
  5. Step 5: Solve for x
    x = 10,099,867.13/5,192.32
  6. Step 6: Final answer
    x = 1,945.15

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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.