Home / 4,885.34-6,742.31-2,789.46

Finding the Fourth Proportional to 4,885.34, 6,742.31 and 2,789.46

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Solution

The fourth proportional to 4,885.34, 6,742.31 and 2,789.46 is: 3,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.34 : 6,742.31 = 2,789.46 : x
  2. Step 2: Convert to fraction form
    4,885.34/6,742.31 = 2,789.46/x
  3. Step 3: Cross multiply
    4,885.34x = 6,742.31 × 2,789.46
  4. Step 4: Simplify right side
    4,885.34x = 18,807,390.11
  5. Step 5: Solve for x
    x = 18,807,390.11/4,885.34
  6. Step 6: Final answer
    x = 3,849.76

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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.