Home / 6,411.15-9,616.81-2,251.28

Finding the Fourth Proportional to 6,411.15, 9,616.81 and 2,251.28

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Solution

The fourth proportional to 6,411.15, 9,616.81 and 2,251.28 is: 3,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,411.15 : 9,616.81 = 2,251.28 : x
  2. Step 2: Convert to fraction form
    6,411.15/9,616.81 = 2,251.28/x
  3. Step 3: Cross multiply
    6,411.15x = 9,616.81 × 2,251.28
  4. Step 4: Simplify right side
    6,411.15x = 21,650,120.76
  5. Step 5: Solve for x
    x = 21,650,120.76/6,411.15
  6. Step 6: Final answer
    x = 3,376.95

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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.