Home / 4,485.65-6,187.11-2,691.91

Finding the Fourth Proportional to 4,485.65, 6,187.11 and 2,691.91

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Solution

The fourth proportional to 4,485.65, 6,187.11 and 2,691.91 is: 3,712.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.65 : 6,187.11 = 2,691.91 : x
  2. Step 2: Convert to fraction form
    4,485.65/6,187.11 = 2,691.91/x
  3. Step 3: Cross multiply
    4,485.65x = 6,187.11 × 2,691.91
  4. Step 4: Simplify right side
    4,485.65x = 16,655,112.34
  5. Step 5: Solve for x
    x = 16,655,112.34/4,485.65
  6. Step 6: Final answer
    x = 3,712.98

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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.