Home / 6,108.48-8,422.74-4,985.88

Finding the Fourth Proportional to 6,108.48, 8,422.74 and 4,985.88

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Solution

The fourth proportional to 6,108.48, 8,422.74 and 4,985.88 is: 6,874.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.48 : 8,422.74 = 4,985.88 : x
  2. Step 2: Convert to fraction form
    6,108.48/8,422.74 = 4,985.88/x
  3. Step 3: Cross multiply
    6,108.48x = 8,422.74 × 4,985.88
  4. Step 4: Simplify right side
    6,108.48x = 41,994,770.91
  5. Step 5: Solve for x
    x = 41,994,770.91/6,108.48
  6. Step 6: Final answer
    x = 6,874.83

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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.