Home / 4,818.78-6,650.17-2,930.05

Finding the Fourth Proportional to 4,818.78, 6,650.17 and 2,930.05

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Solution

The fourth proportional to 4,818.78, 6,650.17 and 2,930.05 is: 4,043.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.78 : 6,650.17 = 2,930.05 : x
  2. Step 2: Convert to fraction form
    4,818.78/6,650.17 = 2,930.05/x
  3. Step 3: Cross multiply
    4,818.78x = 6,650.17 × 2,930.05
  4. Step 4: Simplify right side
    4,818.78x = 19,485,330.61
  5. Step 5: Solve for x
    x = 19,485,330.61/4,818.78
  6. Step 6: Final answer
    x = 4,043.62

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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.