Home / 5,297.20-7,948.53-2,179.51

Finding the Fourth Proportional to 5,297.20, 7,948.53 and 2,179.51

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Solution

The fourth proportional to 5,297.20, 7,948.53 and 2,179.51 is: 3,270.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.20 : 7,948.53 = 2,179.51 : x
  2. Step 2: Convert to fraction form
    5,297.20/7,948.53 = 2,179.51/x
  3. Step 3: Cross multiply
    5,297.20x = 7,948.53 × 2,179.51
  4. Step 4: Simplify right side
    5,297.20x = 17,323,880.75
  5. Step 5: Solve for x
    x = 17,323,880.75/5,297.20
  6. Step 6: Final answer
    x = 3,270.39

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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.