Home / 5,192.46-7,788.69-1,296.90

Finding the Fourth Proportional to 5,192.46, 7,788.69 and 1,296.90

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Solution

The fourth proportional to 5,192.46, 7,788.69 and 1,296.90 is: 1,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.46 : 7,788.69 = 1,296.90 : x
  2. Step 2: Convert to fraction form
    5,192.46/7,788.69 = 1,296.90/x
  3. Step 3: Cross multiply
    5,192.46x = 7,788.69 × 1,296.90
  4. Step 4: Simplify right side
    5,192.46x = 10,101,152.06
  5. Step 5: Solve for x
    x = 10,101,152.06/5,192.46
  6. Step 6: Final answer
    x = 1,945.35

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Similar ratio
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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.