Home / 4,985.88-6,880.10-2,997

Finding the Fourth Proportional to 4,985.88, 6,880.10 and 2,997

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Solution

The fourth proportional to 4,985.88, 6,880.10 and 2,997 is: 4,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.88 : 6,880.10 = 2,997 : x
  2. Step 2: Convert to fraction form
    4,985.88/6,880.10 = 2,997/x
  3. Step 3: Cross multiply
    4,985.88x = 6,880.10 × 2,997
  4. Step 4: Simplify right side
    4,985.88x = 20,619,659.70
  5. Step 5: Solve for x
    x = 20,619,659.70/4,985.88
  6. Step 6: Final answer
    x = 4,135.61

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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.