Home / 7,930.18-10,943.94-4,785.76

Finding the Fourth Proportional to 7,930.18, 10,943.94 and 4,785.76

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Solution

The fourth proportional to 7,930.18, 10,943.94 and 4,785.76 is: 6,604.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.18 : 10,943.94 = 4,785.76 : x
  2. Step 2: Convert to fraction form
    7,930.18/10,943.94 = 4,785.76/x
  3. Step 3: Cross multiply
    7,930.18x = 10,943.94 × 4,785.76
  4. Step 4: Simplify right side
    7,930.18x = 52,375,070.29
  5. Step 5: Solve for x
    x = 52,375,070.29/7,930.18
  6. Step 6: Final answer
    x = 6,604.52

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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.