Home / 6,930.64-10,377.33-5,279.32

Finding the Fourth Proportional to 6,930.64, 10,377.33 and 5,279.32

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Solution

The fourth proportional to 6,930.64, 10,377.33 and 5,279.32 is: 7,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.64 : 10,377.33 = 5,279.32 : x
  2. Step 2: Convert to fraction form
    6,930.64/10,377.33 = 5,279.32/x
  3. Step 3: Cross multiply
    6,930.64x = 10,377.33 × 5,279.32
  4. Step 4: Simplify right side
    6,930.64x = 54,785,245.82
  5. Step 5: Solve for x
    x = 54,785,245.82/6,930.64
  6. Step 6: Final answer
    x = 7,904.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.