Home / 7,945.72-10,976.53-6,350.32

Finding the Fourth Proportional to 7,945.72, 10,976.53 and 6,350.32

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Solution

The fourth proportional to 7,945.72, 10,976.53 and 6,350.32 is: 8,772.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.72 : 10,976.53 = 6,350.32 : x
  2. Step 2: Convert to fraction form
    7,945.72/10,976.53 = 6,350.32/x
  3. Step 3: Cross multiply
    7,945.72x = 10,976.53 × 6,350.32
  4. Step 4: Simplify right side
    7,945.72x = 69,704,446.24
  5. Step 5: Solve for x
    x = 69,704,446.24/7,945.72
  6. Step 6: Final answer
    x = 8,772.58

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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.