Home / 6,900.73-10,348.67-2,220.55

Finding the Fourth Proportional to 6,900.73, 10,348.67 and 2,220.55

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Solution

The fourth proportional to 6,900.73, 10,348.67 and 2,220.55 is: 3,330.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.73 : 10,348.67 = 2,220.55 : x
  2. Step 2: Convert to fraction form
    6,900.73/10,348.67 = 2,220.55/x
  3. Step 3: Cross multiply
    6,900.73x = 10,348.67 × 2,220.55
  4. Step 4: Simplify right side
    6,900.73x = 22,979,728.07
  5. Step 5: Solve for x
    x = 22,979,728.07/6,900.73
  6. Step 6: Final answer
    x = 3,330.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.