Home / 7,019.22-9,686.37-3,832.40

Finding the Fourth Proportional to 7,019.22, 9,686.37 and 3,832.40

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Solution

The fourth proportional to 7,019.22, 9,686.37 and 3,832.40 is: 5,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.22 : 9,686.37 = 3,832.40 : x
  2. Step 2: Convert to fraction form
    7,019.22/9,686.37 = 3,832.40/x
  3. Step 3: Cross multiply
    7,019.22x = 9,686.37 × 3,832.40
  4. Step 4: Simplify right side
    7,019.22x = 37,121,995.96
  5. Step 5: Solve for x
    x = 37,121,995.96/7,019.22
  6. Step 6: Final answer
    x = 5,288.62

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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.