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Finding the Fourth Proportional to 4,998.92, 7,498.58 and 1,878.60

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Solution

The fourth proportional to 4,998.92, 7,498.58 and 1,878.60 is: 2,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.92 : 7,498.58 = 1,878.60 : x
  2. Step 2: Convert to fraction form
    4,998.92/7,498.58 = 1,878.60/x
  3. Step 3: Cross multiply
    4,998.92x = 7,498.58 × 1,878.60
  4. Step 4: Simplify right side
    4,998.92x = 14,086,832.39
  5. Step 5: Solve for x
    x = 14,086,832.39/4,998.92
  6. Step 6: Final answer
    x = 2,817.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.