Home / 5,126.47-7,690.91-2,203.15

Finding the Fourth Proportional to 5,126.47, 7,690.91 and 2,203.15

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Solution

The fourth proportional to 5,126.47, 7,690.91 and 2,203.15 is: 3,305.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.47 : 7,690.91 = 2,203.15 : x
  2. Step 2: Convert to fraction form
    5,126.47/7,690.91 = 2,203.15/x
  3. Step 3: Cross multiply
    5,126.47x = 7,690.91 × 2,203.15
  4. Step 4: Simplify right side
    5,126.47x = 16,944,217.35
  5. Step 5: Solve for x
    x = 16,944,217.35/5,126.47
  6. Step 6: Final answer
    x = 3,305.24

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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.