Home / 5,199.52-7,801.34-2,278.28

Finding the Fourth Proportional to 5,199.52, 7,801.34 and 2,278.28

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Solution

The fourth proportional to 5,199.52, 7,801.34 and 2,278.28 is: 3,418.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.52 : 7,801.34 = 2,278.28 : x
  2. Step 2: Convert to fraction form
    5,199.52/7,801.34 = 2,278.28/x
  3. Step 3: Cross multiply
    5,199.52x = 7,801.34 × 2,278.28
  4. Step 4: Simplify right side
    5,199.52x = 17,773,636.90
  5. Step 5: Solve for x
    x = 17,773,636.90/5,199.52
  6. Step 6: Final answer
    x = 3,418.32

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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.