Home / 7,921.02-11,882.61-2,725.50

Finding the Fourth Proportional to 7,921.02, 11,882.61 and 2,725.50

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Solution

The fourth proportional to 7,921.02, 11,882.61 and 2,725.50 is: 4,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.02 : 11,882.61 = 2,725.50 : x
  2. Step 2: Convert to fraction form
    7,921.02/11,882.61 = 2,725.50/x
  3. Step 3: Cross multiply
    7,921.02x = 11,882.61 × 2,725.50
  4. Step 4: Simplify right side
    7,921.02x = 32,386,053.56
  5. Step 5: Solve for x
    x = 32,386,053.56/7,921.02
  6. Step 6: Final answer
    x = 4,088.62

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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.