Home / 8,422.46-12,626.75-3,357.16

Finding the Fourth Proportional to 8,422.46, 12,626.75 and 3,357.16

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Solution

The fourth proportional to 8,422.46, 12,626.75 and 3,357.16 is: 5,032.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422.46 : 12,626.75 = 3,357.16 : x
  2. Step 2: Convert to fraction form
    8,422.46/12,626.75 = 3,357.16/x
  3. Step 3: Cross multiply
    8,422.46x = 12,626.75 × 3,357.16
  4. Step 4: Simplify right side
    8,422.46x = 42,390,020.03
  5. Step 5: Solve for x
    x = 42,390,020.03/8,422.46
  6. Step 6: Final answer
    x = 5,032.97

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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.