Home / 5,228.30-7,214.67-2,869.97

Finding the Fourth Proportional to 5,228.30, 7,214.67 and 2,869.97

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Solution

The fourth proportional to 5,228.30, 7,214.67 and 2,869.97 is: 3,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.30 : 7,214.67 = 2,869.97 : x
  2. Step 2: Convert to fraction form
    5,228.30/7,214.67 = 2,869.97/x
  3. Step 3: Cross multiply
    5,228.30x = 7,214.67 × 2,869.97
  4. Step 4: Simplify right side
    5,228.30x = 20,705,886.46
  5. Step 5: Solve for x
    x = 20,705,886.46/5,228.30
  6. Step 6: Final answer
    x = 3,960.35

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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.