Home / 3,864.78-5,327.55-3,301.02

Finding the Fourth Proportional to 3,864.78, 5,327.55 and 3,301.02

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Solution

The fourth proportional to 3,864.78, 5,327.55 and 3,301.02 is: 4,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.78 : 5,327.55 = 3,301.02 : x
  2. Step 2: Convert to fraction form
    3,864.78/5,327.55 = 3,301.02/x
  3. Step 3: Cross multiply
    3,864.78x = 5,327.55 × 3,301.02
  4. Step 4: Simplify right side
    3,864.78x = 17,586,349.10
  5. Step 5: Solve for x
    x = 17,586,349.10/3,864.78
  6. Step 6: Final answer
    x = 4,550.41

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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.