Home / 5,089.92-7,634.64-2,490.24

Finding the Fourth Proportional to 5,089.92, 7,634.64 and 2,490.24

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Solution

The fourth proportional to 5,089.92, 7,634.64 and 2,490.24 is: 3,735.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.92 : 7,634.64 = 2,490.24 : x
  2. Step 2: Convert to fraction form
    5,089.92/7,634.64 = 2,490.24/x
  3. Step 3: Cross multiply
    5,089.92x = 7,634.64 × 2,490.24
  4. Step 4: Simplify right side
    5,089.92x = 19,012,085.91
  5. Step 5: Solve for x
    x = 19,012,085.91/5,089.92
  6. Step 6: Final answer
    x = 3,735.24

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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.