Home / 10,395.78-15,591.38-2,998.63

Finding the Fourth Proportional to 10,395.78, 15,591.38 and 2,998.63

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Solution

The fourth proportional to 10,395.78, 15,591.38 and 2,998.63 is: 4,497.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.78 : 15,591.38 = 2,998.63 : x
  2. Step 2: Convert to fraction form
    10,395.78/15,591.38 = 2,998.63/x
  3. Step 3: Cross multiply
    10,395.78x = 15,591.38 × 2,998.63
  4. Step 4: Simplify right side
    10,395.78x = 46,752,784.31
  5. Step 5: Solve for x
    x = 46,752,784.31/10,395.78
  6. Step 6: Final answer
    x = 4,497.29

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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.