Home / 4,988.10-6,881.39-2,997.50

Finding the Fourth Proportional to 4,988.10, 6,881.39 and 2,997.50

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Solution

The fourth proportional to 4,988.10, 6,881.39 and 2,997.50 is: 4,135.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.10 : 6,881.39 = 2,997.50 : x
  2. Step 2: Convert to fraction form
    4,988.10/6,881.39 = 2,997.50/x
  3. Step 3: Cross multiply
    4,988.10x = 6,881.39 × 2,997.50
  4. Step 4: Simplify right side
    4,988.10x = 20,626,917.13
  5. Step 5: Solve for x
    x = 20,626,917.13/4,988.10
  6. Step 6: Final answer
    x = 4,135.23

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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.