Home / 4,818.88-6,650.39-2,930.11

Finding the Fourth Proportional to 4,818.88, 6,650.39 and 2,930.11

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Solution

The fourth proportional to 4,818.88, 6,650.39 and 2,930.11 is: 4,043.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.88 : 6,650.39 = 2,930.11 : x
  2. Step 2: Convert to fraction form
    4,818.88/6,650.39 = 2,930.11/x
  3. Step 3: Cross multiply
    4,818.88x = 6,650.39 × 2,930.11
  4. Step 4: Simplify right side
    4,818.88x = 19,486,360.82
  5. Step 5: Solve for x
    x = 19,486,360.82/4,818.88
  6. Step 6: Final answer
    x = 4,043.76

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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.