Home / 4,989.84-6,885.86-2,751.65

Finding the Fourth Proportional to 4,989.84, 6,885.86 and 2,751.65

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Solution

The fourth proportional to 4,989.84, 6,885.86 and 2,751.65 is: 3,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.84 : 6,885.86 = 2,751.65 : x
  2. Step 2: Convert to fraction form
    4,989.84/6,885.86 = 2,751.65/x
  3. Step 3: Cross multiply
    4,989.84x = 6,885.86 × 2,751.65
  4. Step 4: Simplify right side
    4,989.84x = 18,947,428.48
  5. Step 5: Solve for x
    x = 18,947,428.48/4,989.84
  6. Step 6: Final answer
    x = 3,797.20

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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.