Home / 4,988.89-6,885.08-2,751.22

Finding the Fourth Proportional to 4,988.89, 6,885.08 and 2,751.22

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Solution

The fourth proportional to 4,988.89, 6,885.08 and 2,751.22 is: 3,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.89 : 6,885.08 = 2,751.22 : x
  2. Step 2: Convert to fraction form
    4,988.89/6,885.08 = 2,751.22/x
  3. Step 3: Cross multiply
    4,988.89x = 6,885.08 × 2,751.22
  4. Step 4: Simplify right side
    4,988.89x = 18,942,328.50
  5. Step 5: Solve for x
    x = 18,942,328.50/4,988.89
  6. Step 6: Final answer
    x = 3,796.90

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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.