Home / 4,885.84-6,742.92-2,790.16

Finding the Fourth Proportional to 4,885.84, 6,742.92 and 2,790.16

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Solution

The fourth proportional to 4,885.84, 6,742.92 and 2,790.16 is: 3,850.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.84 : 6,742.92 = 2,790.16 : x
  2. Step 2: Convert to fraction form
    4,885.84/6,742.92 = 2,790.16/x
  3. Step 3: Cross multiply
    4,885.84x = 6,742.92 × 2,790.16
  4. Step 4: Simplify right side
    4,885.84x = 18,813,825.67
  5. Step 5: Solve for x
    x = 18,813,825.67/4,885.84
  6. Step 6: Final answer
    x = 3,850.68

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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.