Home / 7,220.40-10,834.04-3,933.42

Finding the Fourth Proportional to 7,220.40, 10,834.04 and 3,933.42

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Solution

The fourth proportional to 7,220.40, 10,834.04 and 3,933.42 is: 5,902.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.40 : 10,834.04 = 3,933.42 : x
  2. Step 2: Convert to fraction form
    7,220.40/10,834.04 = 3,933.42/x
  3. Step 3: Cross multiply
    7,220.40x = 10,834.04 × 3,933.42
  4. Step 4: Simplify right side
    7,220.40x = 42,614,829.62
  5. Step 5: Solve for x
    x = 42,614,829.62/7,220.40
  6. Step 6: Final answer
    x = 5,902.00

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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.