Home / 7,222.30-9,964.44-4,865.80

Finding the Fourth Proportional to 7,222.30, 9,964.44 and 4,865.80

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Solution

The fourth proportional to 7,222.30, 9,964.44 and 4,865.80 is: 6,713.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.30 : 9,964.44 = 4,865.80 : x
  2. Step 2: Convert to fraction form
    7,222.30/9,964.44 = 4,865.80/x
  3. Step 3: Cross multiply
    7,222.30x = 9,964.44 × 4,865.80
  4. Step 4: Simplify right side
    7,222.30x = 48,484,972.15
  5. Step 5: Solve for x
    x = 48,484,972.15/7,222.30
  6. Step 6: Final answer
    x = 6,713.23

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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.