Home / 7,930.61-10,944.10-4,393.75

Finding the Fourth Proportional to 7,930.61, 10,944.10 and 4,393.75

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Solution

The fourth proportional to 7,930.61, 10,944.10 and 4,393.75 is: 6,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.61 : 10,944.10 = 4,393.75 : x
  2. Step 2: Convert to fraction form
    7,930.61/10,944.10 = 4,393.75/x
  3. Step 3: Cross multiply
    7,930.61x = 10,944.10 × 4,393.75
  4. Step 4: Simplify right side
    7,930.61x = 48,085,639.38
  5. Step 5: Solve for x
    x = 48,085,639.38/7,930.61
  6. Step 6: Final answer
    x = 6,063.30

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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.