Home / 6,924.39-9,555.72-3,780.63

Finding the Fourth Proportional to 6,924.39, 9,555.72 and 3,780.63

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Solution

The fourth proportional to 6,924.39, 9,555.72 and 3,780.63 is: 5,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,924.39 : 9,555.72 = 3,780.63 : x
  2. Step 2: Convert to fraction form
    6,924.39/9,555.72 = 3,780.63/x
  3. Step 3: Cross multiply
    6,924.39x = 9,555.72 × 3,780.63
  4. Step 4: Simplify right side
    6,924.39x = 36,126,641.70
  5. Step 5: Solve for x
    x = 36,126,641.70/6,924.39
  6. Step 6: Final answer
    x = 5,217.30

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Half scale
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Double scale
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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.