Home / 4,990.52-6,885.60-2,893.16

Finding the Fourth Proportional to 4,990.52, 6,885.60 and 2,893.16

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Solution

The fourth proportional to 4,990.52, 6,885.60 and 2,893.16 is: 3,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.52 : 6,885.60 = 2,893.16 : x
  2. Step 2: Convert to fraction form
    4,990.52/6,885.60 = 2,893.16/x
  3. Step 3: Cross multiply
    4,990.52x = 6,885.60 × 2,893.16
  4. Step 4: Simplify right side
    4,990.52x = 19,921,142.50
  5. Step 5: Solve for x
    x = 19,921,142.50/4,990.52
  6. Step 6: Final answer
    x = 3,991.80

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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.