Home / 8,084.21-11,156.13-4,547.44

Finding the Fourth Proportional to 8,084.21, 11,156.13 and 4,547.44

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Solution

The fourth proportional to 8,084.21, 11,156.13 and 4,547.44 is: 6,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.21 : 11,156.13 = 4,547.44 : x
  2. Step 2: Convert to fraction form
    8,084.21/11,156.13 = 4,547.44/x
  3. Step 3: Cross multiply
    8,084.21x = 11,156.13 × 4,547.44
  4. Step 4: Simplify right side
    8,084.21x = 50,731,845.75
  5. Step 5: Solve for x
    x = 50,731,845.75/8,084.21
  6. Step 6: Final answer
    x = 6,275.43

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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.