Home / 7,935.78-10,951.43-4,399.05

Finding the Fourth Proportional to 7,935.78, 10,951.43 and 4,399.05

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Solution

The fourth proportional to 7,935.78, 10,951.43 and 4,399.05 is: 6,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.78 : 10,951.43 = 4,399.05 : x
  2. Step 2: Convert to fraction form
    7,935.78/10,951.43 = 4,399.05/x
  3. Step 3: Cross multiply
    7,935.78x = 10,951.43 × 4,399.05
  4. Step 4: Simplify right side
    7,935.78x = 48,175,866.15
  5. Step 5: Solve for x
    x = 48,175,866.15/7,935.78
  6. Step 6: Final answer
    x = 6,070.72

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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.