Home / 4,998.28-7,495.10-2,918.90

Finding the Fourth Proportional to 4,998.28, 7,495.10 and 2,918.90

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Solution

The fourth proportional to 4,998.28, 7,495.10 and 2,918.90 is: 4,377.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.28 : 7,495.10 = 2,918.90 : x
  2. Step 2: Convert to fraction form
    4,998.28/7,495.10 = 2,918.90/x
  3. Step 3: Cross multiply
    4,998.28x = 7,495.10 × 2,918.90
  4. Step 4: Simplify right side
    4,998.28x = 21,877,447.39
  5. Step 5: Solve for x
    x = 21,877,447.39/4,998.28
  6. Step 6: Final answer
    x = 4,377.00

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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.