Home / 5,009.49-7,514.92-2,087.11

Finding the Fourth Proportional to 5,009.49, 7,514.92 and 2,087.11

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Solution

The fourth proportional to 5,009.49, 7,514.92 and 2,087.11 is: 3,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.49 : 7,514.92 = 2,087.11 : x
  2. Step 2: Convert to fraction form
    5,009.49/7,514.92 = 2,087.11/x
  3. Step 3: Cross multiply
    5,009.49x = 7,514.92 × 2,087.11
  4. Step 4: Simplify right side
    5,009.49x = 15,684,468.86
  5. Step 5: Solve for x
    x = 15,684,468.86/5,009.49
  6. Step 6: Final answer
    x = 3,130.95

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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.