Home / 5,348.21-8,020.28-2,141.52

Finding the Fourth Proportional to 5,348.21, 8,020.28 and 2,141.52

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Solution

The fourth proportional to 5,348.21, 8,020.28 and 2,141.52 is: 3,211.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.21 : 8,020.28 = 2,141.52 : x
  2. Step 2: Convert to fraction form
    5,348.21/8,020.28 = 2,141.52/x
  3. Step 3: Cross multiply
    5,348.21x = 8,020.28 × 2,141.52
  4. Step 4: Simplify right side
    5,348.21x = 17,175,595.38
  5. Step 5: Solve for x
    x = 17,175,595.38/5,348.21
  6. Step 6: Final answer
    x = 3,211.47

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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.