Home / 4,942.08-6,818.88-3,077.76

Finding the Fourth Proportional to 4,942.08, 6,818.88 and 3,077.76

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Solution

The fourth proportional to 4,942.08, 6,818.88 and 3,077.76 is: 4,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.08 : 6,818.88 = 3,077.76 : x
  2. Step 2: Convert to fraction form
    4,942.08/6,818.88 = 3,077.76/x
  3. Step 3: Cross multiply
    4,942.08x = 6,818.88 × 3,077.76
  4. Step 4: Simplify right side
    4,942.08x = 20,986,876.11
  5. Step 5: Solve for x
    x = 20,986,876.11/4,942.08
  6. Step 6: Final answer
    x = 4,246.57

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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.