Home / 7,930.20-10,940.01-5,573.70

Finding the Fourth Proportional to 7,930.20, 10,940.01 and 5,573.70

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Solution

The fourth proportional to 7,930.20, 10,940.01 and 5,573.70 is: 7,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.20 : 10,940.01 = 5,573.70 : x
  2. Step 2: Convert to fraction form
    7,930.20/10,940.01 = 5,573.70/x
  3. Step 3: Cross multiply
    7,930.20x = 10,940.01 × 5,573.70
  4. Step 4: Simplify right side
    7,930.20x = 60,976,333.74
  5. Step 5: Solve for x
    x = 60,976,333.74/7,930.20
  6. Step 6: Final answer
    x = 7,689.13

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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.