Home / 7,239.17-10,855.11-3,535.85

Finding the Fourth Proportional to 7,239.17, 10,855.11 and 3,535.85

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Solution

The fourth proportional to 7,239.17, 10,855.11 and 3,535.85 is: 5,301.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.17 : 10,855.11 = 3,535.85 : x
  2. Step 2: Convert to fraction form
    7,239.17/10,855.11 = 3,535.85/x
  3. Step 3: Cross multiply
    7,239.17x = 10,855.11 × 3,535.85
  4. Step 4: Simplify right side
    7,239.17x = 38,382,040.69
  5. Step 5: Solve for x
    x = 38,382,040.69/7,239.17
  6. Step 6: Final answer
    x = 5,301.99

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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.