Home / 5,254.98-7,251.78-2,897.10

Finding the Fourth Proportional to 5,254.98, 7,251.78 and 2,897.10

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Solution

The fourth proportional to 5,254.98, 7,251.78 and 2,897.10 is: 3,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.98 : 7,251.78 = 2,897.10 : x
  2. Step 2: Convert to fraction form
    5,254.98/7,251.78 = 2,897.10/x
  3. Step 3: Cross multiply
    5,254.98x = 7,251.78 × 2,897.10
  4. Step 4: Simplify right side
    5,254.98x = 21,009,131.84
  5. Step 5: Solve for x
    x = 21,009,131.84/5,254.98
  6. Step 6: Final answer
    x = 3,997.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.