Home / 5,535.20-8,302.80-3,342.80

Finding the Fourth Proportional to 5,535.20, 8,302.80 and 3,342.80

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Solution

The fourth proportional to 5,535.20, 8,302.80 and 3,342.80 is: 5,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.20 : 8,302.80 = 3,342.80 : x
  2. Step 2: Convert to fraction form
    5,535.20/8,302.80 = 3,342.80/x
  3. Step 3: Cross multiply
    5,535.20x = 8,302.80 × 3,342.80
  4. Step 4: Simplify right side
    5,535.20x = 27,754,599.84
  5. Step 5: Solve for x
    x = 27,754,599.84/5,535.20
  6. Step 6: Final answer
    x = 5,014.20

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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.