Home / 4,885.12-6,741.12-2,761

Finding the Fourth Proportional to 4,885.12, 6,741.12 and 2,761

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Solution

The fourth proportional to 4,885.12, 6,741.12 and 2,761 is: 3,809.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.12 : 6,741.12 = 2,761 : x
  2. Step 2: Convert to fraction form
    4,885.12/6,741.12 = 2,761/x
  3. Step 3: Cross multiply
    4,885.12x = 6,741.12 × 2,761
  4. Step 4: Simplify right side
    4,885.12x = 18,612,232.32
  5. Step 5: Solve for x
    x = 18,612,232.32/4,885.12
  6. Step 6: Final answer
    x = 3,809.98

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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.