Home / 7,947.32-10,976.31-4,965.71

Finding the Fourth Proportional to 7,947.32, 10,976.31 and 4,965.71

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Solution

The fourth proportional to 7,947.32, 10,976.31 and 4,965.71 is: 6,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.32 : 10,976.31 = 4,965.71 : x
  2. Step 2: Convert to fraction form
    7,947.32/10,976.31 = 4,965.71/x
  3. Step 3: Cross multiply
    7,947.32x = 10,976.31 × 4,965.71
  4. Step 4: Simplify right side
    7,947.32x = 54,505,117.45
  5. Step 5: Solve for x
    x = 54,505,117.45/7,947.32
  6. Step 6: Final answer
    x = 6,858.31

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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.