Home / 3,891.13-5,802.43-3,856.03

Finding the Fourth Proportional to 3,891.13, 5,802.43 and 3,856.03

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Solution

The fourth proportional to 3,891.13, 5,802.43 and 3,856.03 is: 5,750.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.13 : 5,802.43 = 3,856.03 : x
  2. Step 2: Convert to fraction form
    3,891.13/5,802.43 = 3,856.03/x
  3. Step 3: Cross multiply
    3,891.13x = 5,802.43 × 3,856.03
  4. Step 4: Simplify right side
    3,891.13x = 22,374,324.87
  5. Step 5: Solve for x
    x = 22,374,324.87/3,891.13
  6. Step 6: Final answer
    x = 5,750.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.