Home / 7,150.59-10,725.53-2,220.71

Finding the Fourth Proportional to 7,150.59, 10,725.53 and 2,220.71

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Solution

The fourth proportional to 7,150.59, 10,725.53 and 2,220.71 is: 3,330.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.59 : 10,725.53 = 2,220.71 : x
  2. Step 2: Convert to fraction form
    7,150.59/10,725.53 = 2,220.71/x
  3. Step 3: Cross multiply
    7,150.59x = 10,725.53 × 2,220.71
  4. Step 4: Simplify right side
    7,150.59x = 23,818,227.00
  5. Step 5: Solve for x
    x = 23,818,227.00/7,150.59
  6. Step 6: Final answer
    x = 3,330.95

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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.