Home / 5,296.20-7,943.76-1,400.64

Finding the Fourth Proportional to 5,296.20, 7,943.76 and 1,400.64

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Solution

The fourth proportional to 5,296.20, 7,943.76 and 1,400.64 is: 2,100.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.20 : 7,943.76 = 1,400.64 : x
  2. Step 2: Convert to fraction form
    5,296.20/7,943.76 = 1,400.64/x
  3. Step 3: Cross multiply
    5,296.20x = 7,943.76 × 1,400.64
  4. Step 4: Simplify right side
    5,296.20x = 11,126,348.01
  5. Step 5: Solve for x
    x = 11,126,348.01/5,296.20
  6. Step 6: Final answer
    x = 2,100.82

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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.