Home / 5,410.47-8,115.71-2,490.82

Finding the Fourth Proportional to 5,410.47, 8,115.71 and 2,490.82

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Solution

The fourth proportional to 5,410.47, 8,115.71 and 2,490.82 is: 3,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.47 : 8,115.71 = 2,490.82 : x
  2. Step 2: Convert to fraction form
    5,410.47/8,115.71 = 2,490.82/x
  3. Step 3: Cross multiply
    5,410.47x = 8,115.71 × 2,490.82
  4. Step 4: Simplify right side
    5,410.47x = 20,214,772.78
  5. Step 5: Solve for x
    x = 20,214,772.78/5,410.47
  6. Step 6: Final answer
    x = 3,736.23

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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.