Home / 7,930.05-10,942.86-4,393.18

Finding the Fourth Proportional to 7,930.05, 10,942.86 and 4,393.18

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Solution

The fourth proportional to 7,930.05, 10,942.86 and 4,393.18 is: 6,062.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.05 : 10,942.86 = 4,393.18 : x
  2. Step 2: Convert to fraction form
    7,930.05/10,942.86 = 4,393.18/x
  3. Step 3: Cross multiply
    7,930.05x = 10,942.86 × 4,393.18
  4. Step 4: Simplify right side
    7,930.05x = 48,073,953.69
  5. Step 5: Solve for x
    x = 48,073,953.69/7,930.05
  6. Step 6: Final answer
    x = 6,062.25

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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.