Home / 4,985.99-6,881.32-2,997.65

Finding the Fourth Proportional to 4,985.99, 6,881.32 and 2,997.65

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Solution

The fourth proportional to 4,985.99, 6,881.32 and 2,997.65 is: 4,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.99 : 6,881.32 = 2,997.65 : x
  2. Step 2: Convert to fraction form
    4,985.99/6,881.32 = 2,997.65/x
  3. Step 3: Cross multiply
    4,985.99x = 6,881.32 × 2,997.65
  4. Step 4: Simplify right side
    4,985.99x = 20,627,788.90
  5. Step 5: Solve for x
    x = 20,627,788.90/4,985.99
  6. Step 6: Final answer
    x = 4,137.15

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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.