Home / 7,123.14-10,684.71-2,963.07

Finding the Fourth Proportional to 7,123.14, 10,684.71 and 2,963.07

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Solution

The fourth proportional to 7,123.14, 10,684.71 and 2,963.07 is: 4,444.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123.14 : 10,684.71 = 2,963.07 : x
  2. Step 2: Convert to fraction form
    7,123.14/10,684.71 = 2,963.07/x
  3. Step 3: Cross multiply
    7,123.14x = 10,684.71 × 2,963.07
  4. Step 4: Simplify right side
    7,123.14x = 31,659,543.66
  5. Step 5: Solve for x
    x = 31,659,543.66/7,123.14
  6. Step 6: Final answer
    x = 4,444.61

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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.