Home / 4,989.66-6,885.77-2,751.76

Finding the Fourth Proportional to 4,989.66, 6,885.77 and 2,751.76

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Solution

The fourth proportional to 4,989.66, 6,885.77 and 2,751.76 is: 3,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.66 : 6,885.77 = 2,751.76 : x
  2. Step 2: Convert to fraction form
    4,989.66/6,885.77 = 2,751.76/x
  3. Step 3: Cross multiply
    4,989.66x = 6,885.77 × 2,751.76
  4. Step 4: Simplify right side
    4,989.66x = 18,947,986.46
  5. Step 5: Solve for x
    x = 18,947,986.46/4,989.66
  6. Step 6: Final answer
    x = 3,797.45

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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.