Home / 6,108.77-8,408.80-5,272.13

Finding the Fourth Proportional to 6,108.77, 8,408.80 and 5,272.13

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Solution

The fourth proportional to 6,108.77, 8,408.80 and 5,272.13 is: 7,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.77 : 8,408.80 = 5,272.13 : x
  2. Step 2: Convert to fraction form
    6,108.77/8,408.80 = 5,272.13/x
  3. Step 3: Cross multiply
    6,108.77x = 8,408.80 × 5,272.13
  4. Step 4: Simplify right side
    6,108.77x = 44,332,286.74
  5. Step 5: Solve for x
    x = 44,332,286.74/6,108.77
  6. Step 6: Final answer
    x = 7,257.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.