Home / 4,988.92-6,885.30-2,893.12

Finding the Fourth Proportional to 4,988.92, 6,885.30 and 2,893.12

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Solution

The fourth proportional to 4,988.92, 6,885.30 and 2,893.12 is: 3,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.92 : 6,885.30 = 2,893.12 : x
  2. Step 2: Convert to fraction form
    4,988.92/6,885.30 = 2,893.12/x
  3. Step 3: Cross multiply
    4,988.92x = 6,885.30 × 2,893.12
  4. Step 4: Simplify right side
    4,988.92x = 19,919,999.14
  5. Step 5: Solve for x
    x = 19,919,999.14/4,988.92
  6. Step 6: Final answer
    x = 3,992.85

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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.