Home / 7,009.22-9,672.38-4,026.12

Finding the Fourth Proportional to 7,009.22, 9,672.38 and 4,026.12

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Solution

The fourth proportional to 7,009.22, 9,672.38 and 4,026.12 is: 5,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.22 : 9,672.38 = 4,026.12 : x
  2. Step 2: Convert to fraction form
    7,009.22/9,672.38 = 4,026.12/x
  3. Step 3: Cross multiply
    7,009.22x = 9,672.38 × 4,026.12
  4. Step 4: Simplify right side
    7,009.22x = 38,942,162.57
  5. Step 5: Solve for x
    x = 38,942,162.57/7,009.22
  6. Step 6: Final answer
    x = 5,555.85

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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.