Home / 7,560.54-11,344.59-3,121.47

Finding the Fourth Proportional to 7,560.54, 11,344.59 and 3,121.47

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Solution

The fourth proportional to 7,560.54, 11,344.59 and 3,121.47 is: 4,683.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,560.54 : 11,344.59 = 3,121.47 : x
  2. Step 2: Convert to fraction form
    7,560.54/11,344.59 = 3,121.47/x
  3. Step 3: Cross multiply
    7,560.54x = 11,344.59 × 3,121.47
  4. Step 4: Simplify right side
    7,560.54x = 35,411,797.35
  5. Step 5: Solve for x
    x = 35,411,797.35/7,560.54
  6. Step 6: Final answer
    x = 4,683.77

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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.