Home / 6,971.22-10,447.71-5,990.76

Finding the Fourth Proportional to 6,971.22, 10,447.71 and 5,990.76

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Solution

The fourth proportional to 6,971.22, 10,447.71 and 5,990.76 is: 8,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.22 : 10,447.71 = 5,990.76 : x
  2. Step 2: Convert to fraction form
    6,971.22/10,447.71 = 5,990.76/x
  3. Step 3: Cross multiply
    6,971.22x = 10,447.71 × 5,990.76
  4. Step 4: Simplify right side
    6,971.22x = 62,589,723.16
  5. Step 5: Solve for x
    x = 62,589,723.16/6,971.22
  6. Step 6: Final answer
    x = 8,978.30

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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.