Home / 7,674.39-11,511.58-5,076.72

Finding the Fourth Proportional to 7,674.39, 11,511.58 and 5,076.72

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Solution

The fourth proportional to 7,674.39, 11,511.58 and 5,076.72 is: 7,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.39 : 11,511.58 = 5,076.72 : x
  2. Step 2: Convert to fraction form
    7,674.39/11,511.58 = 5,076.72/x
  3. Step 3: Cross multiply
    7,674.39x = 11,511.58 × 5,076.72
  4. Step 4: Simplify right side
    7,674.39x = 58,441,068.42
  5. Step 5: Solve for x
    x = 58,441,068.42/7,674.39
  6. Step 6: Final answer
    x = 7,615.08

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.