Home / 5,261.84-7,892.76-2,665.52

Finding the Fourth Proportional to 5,261.84, 7,892.76 and 2,665.52

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Solution

The fourth proportional to 5,261.84, 7,892.76 and 2,665.52 is: 3,998.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.84 : 7,892.76 = 2,665.52 : x
  2. Step 2: Convert to fraction form
    5,261.84/7,892.76 = 2,665.52/x
  3. Step 3: Cross multiply
    5,261.84x = 7,892.76 × 2,665.52
  4. Step 4: Simplify right side
    5,261.84x = 21,038,309.64
  5. Step 5: Solve for x
    x = 21,038,309.64/5,261.84
  6. Step 6: Final answer
    x = 3,998.28

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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.