Home / 7,209.05-9,950.96-4,225.85

Finding the Fourth Proportional to 7,209.05, 9,950.96 and 4,225.85

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Solution

The fourth proportional to 7,209.05, 9,950.96 and 4,225.85 is: 5,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.05 : 9,950.96 = 4,225.85 : x
  2. Step 2: Convert to fraction form
    7,209.05/9,950.96 = 4,225.85/x
  3. Step 3: Cross multiply
    7,209.05x = 9,950.96 × 4,225.85
  4. Step 4: Simplify right side
    7,209.05x = 42,051,264.32
  5. Step 5: Solve for x
    x = 42,051,264.32/7,209.05
  6. Step 6: Final answer
    x = 5,833.12

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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.