Home / 5,261.57-7,892.78-1,751.45

Finding the Fourth Proportional to 5,261.57, 7,892.78 and 1,751.45

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Solution

The fourth proportional to 5,261.57, 7,892.78 and 1,751.45 is: 2,627.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.57 : 7,892.78 = 1,751.45 : x
  2. Step 2: Convert to fraction form
    5,261.57/7,892.78 = 1,751.45/x
  3. Step 3: Cross multiply
    5,261.57x = 7,892.78 × 1,751.45
  4. Step 4: Simplify right side
    5,261.57x = 13,823,761.31
  5. Step 5: Solve for x
    x = 13,823,761.31/5,261.57
  6. Step 6: Final answer
    x = 2,627.31

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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.