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Finding the Fourth Proportional to 4,998.57, 7,497.99 and 2,038.38

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Solution

The fourth proportional to 4,998.57, 7,497.99 and 2,038.38 is: 3,057.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.57 : 7,497.99 = 2,038.38 : x
  2. Step 2: Convert to fraction form
    4,998.57/7,497.99 = 2,038.38/x
  3. Step 3: Cross multiply
    4,998.57x = 7,497.99 × 2,038.38
  4. Step 4: Simplify right side
    4,998.57x = 15,283,752.86
  5. Step 5: Solve for x
    x = 15,283,752.86/4,998.57
  6. Step 6: Final answer
    x = 3,057.63

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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.