Home / 7,239.05-10,854.90-3,535.73

Finding the Fourth Proportional to 7,239.05, 10,854.90 and 3,535.73

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Solution

The fourth proportional to 7,239.05, 10,854.90 and 3,535.73 is: 5,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.05 : 10,854.90 = 3,535.73 : x
  2. Step 2: Convert to fraction form
    7,239.05/10,854.90 = 3,535.73/x
  3. Step 3: Cross multiply
    7,239.05x = 10,854.90 × 3,535.73
  4. Step 4: Simplify right side
    7,239.05x = 38,379,941.30
  5. Step 5: Solve for x
    x = 38,379,941.30/7,239.05
  6. Step 6: Final answer
    x = 5,301.80

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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.