Home / 4,691.12-6,998.40-4,322.06

Finding the Fourth Proportional to 4,691.12, 6,998.40 and 4,322.06

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Solution

The fourth proportional to 4,691.12, 6,998.40 and 4,322.06 is: 6,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.12 : 6,998.40 = 4,322.06 : x
  2. Step 2: Convert to fraction form
    4,691.12/6,998.40 = 4,322.06/x
  3. Step 3: Cross multiply
    4,691.12x = 6,998.40 × 4,322.06
  4. Step 4: Simplify right side
    4,691.12x = 30,247,495.96
  5. Step 5: Solve for x
    x = 30,247,495.96/4,691.12
  6. Step 6: Final answer
    x = 6,447.83

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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.