Home / 7,211.88-9,950.67-4,068.09

Finding the Fourth Proportional to 7,211.88, 9,950.67 and 4,068.09

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Solution

The fourth proportional to 7,211.88, 9,950.67 and 4,068.09 is: 5,612.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.88 : 9,950.67 = 4,068.09 : x
  2. Step 2: Convert to fraction form
    7,211.88/9,950.67 = 4,068.09/x
  3. Step 3: Cross multiply
    7,211.88x = 9,950.67 × 4,068.09
  4. Step 4: Simplify right side
    7,211.88x = 40,480,221.12
  5. Step 5: Solve for x
    x = 40,480,221.12/7,211.88
  6. Step 6: Final answer
    x = 5,612.99

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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.