Home / 7,305.73-10,959.21-3,145.84

Finding the Fourth Proportional to 7,305.73, 10,959.21 and 3,145.84

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Solution

The fourth proportional to 7,305.73, 10,959.21 and 3,145.84 is: 4,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.73 : 10,959.21 = 3,145.84 : x
  2. Step 2: Convert to fraction form
    7,305.73/10,959.21 = 3,145.84/x
  3. Step 3: Cross multiply
    7,305.73x = 10,959.21 × 3,145.84
  4. Step 4: Simplify right side
    7,305.73x = 34,475,921.19
  5. Step 5: Solve for x
    x = 34,475,921.19/7,305.73
  6. Step 6: Final answer
    x = 4,719.02

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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.