Home / 4,988.90-6,884.73-2,750.87

Finding the Fourth Proportional to 4,988.90, 6,884.73 and 2,750.87

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Solution

The fourth proportional to 4,988.90, 6,884.73 and 2,750.87 is: 3,796.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.90 : 6,884.73 = 2,750.87 : x
  2. Step 2: Convert to fraction form
    4,988.90/6,884.73 = 2,750.87/x
  3. Step 3: Cross multiply
    4,988.90x = 6,884.73 × 2,750.87
  4. Step 4: Simplify right side
    4,988.90x = 18,938,962.79
  5. Step 5: Solve for x
    x = 18,938,962.79/4,988.90
  6. Step 6: Final answer
    x = 3,796.22

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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.