Home / 7,209.90-9,950.04-4,226.70

Finding the Fourth Proportional to 7,209.90, 9,950.04 and 4,226.70

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Solution

The fourth proportional to 7,209.90, 9,950.04 and 4,226.70 is: 5,833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.90 : 9,950.04 = 4,226.70 : x
  2. Step 2: Convert to fraction form
    7,209.90/9,950.04 = 4,226.70/x
  3. Step 3: Cross multiply
    7,209.90x = 9,950.04 × 4,226.70
  4. Step 4: Simplify right side
    7,209.90x = 42,055,784.32
  5. Step 5: Solve for x
    x = 42,055,784.32/7,209.90
  6. Step 6: Final answer
    x = 5,833.06

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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.