Home / 4,845.30-6,686.57-2,691.99

Finding the Fourth Proportional to 4,845.30, 6,686.57 and 2,691.99

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Solution

The fourth proportional to 4,845.30, 6,686.57 and 2,691.99 is: 3,714.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.30 : 6,686.57 = 2,691.99 : x
  2. Step 2: Convert to fraction form
    4,845.30/6,686.57 = 2,691.99/x
  3. Step 3: Cross multiply
    4,845.30x = 6,686.57 × 2,691.99
  4. Step 4: Simplify right side
    4,845.30x = 18,000,179.57
  5. Step 5: Solve for x
    x = 18,000,179.57/4,845.30
  6. Step 6: Final answer
    x = 3,714.98

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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.