Home / 7,668.39-10,575.33-4,976.79

Finding the Fourth Proportional to 7,668.39, 10,575.33 and 4,976.79

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Solution

The fourth proportional to 7,668.39, 10,575.33 and 4,976.79 is: 6,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.39 : 10,575.33 = 4,976.79 : x
  2. Step 2: Convert to fraction form
    7,668.39/10,575.33 = 4,976.79/x
  3. Step 3: Cross multiply
    7,668.39x = 10,575.33 × 4,976.79
  4. Step 4: Simplify right side
    7,668.39x = 52,631,196.59
  5. Step 5: Solve for x
    x = 52,631,196.59/7,668.39
  6. Step 6: Final answer
    x = 6,863.40

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Half scale
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Double scale
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Similar ratio
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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.