Home / 8,440.19-12,660.28-2,284.19

Finding the Fourth Proportional to 8,440.19, 12,660.28 and 2,284.19

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Solution

The fourth proportional to 8,440.19, 12,660.28 and 2,284.19 is: 3,426.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.19 : 12,660.28 = 2,284.19 : x
  2. Step 2: Convert to fraction form
    8,440.19/12,660.28 = 2,284.19/x
  3. Step 3: Cross multiply
    8,440.19x = 12,660.28 × 2,284.19
  4. Step 4: Simplify right side
    8,440.19x = 28,918,484.97
  5. Step 5: Solve for x
    x = 28,918,484.97/8,440.19
  6. Step 6: Final answer
    x = 3,426.28

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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.