Home / 5,200.29-7,802.97-2,278.22

Finding the Fourth Proportional to 5,200.29, 7,802.97 and 2,278.22

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Solution

The fourth proportional to 5,200.29, 7,802.97 and 2,278.22 is: 3,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.29 : 7,802.97 = 2,278.22 : x
  2. Step 2: Convert to fraction form
    5,200.29/7,802.97 = 2,278.22/x
  3. Step 3: Cross multiply
    5,200.29x = 7,802.97 × 2,278.22
  4. Step 4: Simplify right side
    5,200.29x = 17,776,834.76
  5. Step 5: Solve for x
    x = 17,776,834.76/5,200.29
  6. Step 6: Final answer
    x = 3,418.43

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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.