Home / 4,885.65-6,741.50-2,789.64

Finding the Fourth Proportional to 4,885.65, 6,741.50 and 2,789.64

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Solution

The fourth proportional to 4,885.65, 6,741.50 and 2,789.64 is: 3,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.65 : 6,741.50 = 2,789.64 : x
  2. Step 2: Convert to fraction form
    4,885.65/6,741.50 = 2,789.64/x
  3. Step 3: Cross multiply
    4,885.65x = 6,741.50 × 2,789.64
  4. Step 4: Simplify right side
    4,885.65x = 18,806,344.11
  5. Step 5: Solve for x
    x = 18,806,344.11/4,885.65
  6. Step 6: Final answer
    x = 3,849.30

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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.