Home / 5,301.76-7,948.98-2,137.24

Finding the Fourth Proportional to 5,301.76, 7,948.98 and 2,137.24

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Solution

The fourth proportional to 5,301.76, 7,948.98 and 2,137.24 is: 3,204.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.76 : 7,948.98 = 2,137.24 : x
  2. Step 2: Convert to fraction form
    5,301.76/7,948.98 = 2,137.24/x
  3. Step 3: Cross multiply
    5,301.76x = 7,948.98 × 2,137.24
  4. Step 4: Simplify right side
    5,301.76x = 16,988,878.02
  5. Step 5: Solve for x
    x = 16,988,878.02/5,301.76
  6. Step 6: Final answer
    x = 3,204.38

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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.