Home / 5,065.62-6,989.83-2,827.18

Finding the Fourth Proportional to 5,065.62, 6,989.83 and 2,827.18

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Solution

The fourth proportional to 5,065.62, 6,989.83 and 2,827.18 is: 3,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.62 : 6,989.83 = 2,827.18 : x
  2. Step 2: Convert to fraction form
    5,065.62/6,989.83 = 2,827.18/x
  3. Step 3: Cross multiply
    5,065.62x = 6,989.83 × 2,827.18
  4. Step 4: Simplify right side
    5,065.62x = 19,761,507.58
  5. Step 5: Solve for x
    x = 19,761,507.58/5,065.62
  6. Step 6: Final answer
    x = 3,901.10

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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.