Home / 5,296.15-7,945.13-2,177.84

Finding the Fourth Proportional to 5,296.15, 7,945.13 and 2,177.84

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Solution

The fourth proportional to 5,296.15, 7,945.13 and 2,177.84 is: 3,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.15 : 7,945.13 = 2,177.84 : x
  2. Step 2: Convert to fraction form
    5,296.15/7,945.13 = 2,177.84/x
  3. Step 3: Cross multiply
    5,296.15x = 7,945.13 × 2,177.84
  4. Step 4: Simplify right side
    5,296.15x = 17,303,221.92
  5. Step 5: Solve for x
    x = 17,303,221.92/5,296.15
  6. Step 6: Final answer
    x = 3,267.13

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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.