Home / 7,528.88-11,293.32-3,143.95

Finding the Fourth Proportional to 7,528.88, 11,293.32 and 3,143.95

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Solution

The fourth proportional to 7,528.88, 11,293.32 and 3,143.95 is: 4,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.88 : 11,293.32 = 3,143.95 : x
  2. Step 2: Convert to fraction form
    7,528.88/11,293.32 = 3,143.95/x
  3. Step 3: Cross multiply
    7,528.88x = 11,293.32 × 3,143.95
  4. Step 4: Simplify right side
    7,528.88x = 35,505,633.41
  5. Step 5: Solve for x
    x = 35,505,633.41/7,528.88
  6. Step 6: Final answer
    x = 4,715.93

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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.