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Finding the Fourth Proportional to 5,254.22, 7,877.07 and 1,965.48

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Solution

The fourth proportional to 5,254.22, 7,877.07 and 1,965.48 is: 2,946.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.22 : 7,877.07 = 1,965.48 : x
  2. Step 2: Convert to fraction form
    5,254.22/7,877.07 = 1,965.48/x
  3. Step 3: Cross multiply
    5,254.22x = 7,877.07 × 1,965.48
  4. Step 4: Simplify right side
    5,254.22x = 15,482,223.54
  5. Step 5: Solve for x
    x = 15,482,223.54/5,254.22
  6. Step 6: Final answer
    x = 2,946.63

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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.