Home / 7,222.25-9,966.77-4,238.14

Finding the Fourth Proportional to 7,222.25, 9,966.77 and 4,238.14

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Solution

The fourth proportional to 7,222.25, 9,966.77 and 4,238.14 is: 5,848.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.25 : 9,966.77 = 4,238.14 : x
  2. Step 2: Convert to fraction form
    7,222.25/9,966.77 = 4,238.14/x
  3. Step 3: Cross multiply
    7,222.25x = 9,966.77 × 4,238.14
  4. Step 4: Simplify right side
    7,222.25x = 42,240,516.77
  5. Step 5: Solve for x
    x = 42,240,516.77/7,222.25
  6. Step 6: Final answer
    x = 5,848.66

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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.