Home / 5,239.68-7,228.48-3,248.80

Finding the Fourth Proportional to 5,239.68, 7,228.48 and 3,248.80

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Solution

The fourth proportional to 5,239.68, 7,228.48 and 3,248.80 is: 4,481.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.68 : 7,228.48 = 3,248.80 : x
  2. Step 2: Convert to fraction form
    5,239.68/7,228.48 = 3,248.80/x
  3. Step 3: Cross multiply
    5,239.68x = 7,228.48 × 3,248.80
  4. Step 4: Simplify right side
    5,239.68x = 23,483,885.82
  5. Step 5: Solve for x
    x = 23,483,885.82/5,239.68
  6. Step 6: Final answer
    x = 4,481.93

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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.