Home / 7,403.81-11,105.71-2,963.49

Finding the Fourth Proportional to 7,403.81, 11,105.71 and 2,963.49

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Solution

The fourth proportional to 7,403.81, 11,105.71 and 2,963.49 is: 4,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.81 : 11,105.71 = 2,963.49 : x
  2. Step 2: Convert to fraction form
    7,403.81/11,105.71 = 2,963.49/x
  3. Step 3: Cross multiply
    7,403.81x = 11,105.71 × 2,963.49
  4. Step 4: Simplify right side
    7,403.81x = 32,911,611.47
  5. Step 5: Solve for x
    x = 32,911,611.47/7,403.81
  6. Step 6: Final answer
    x = 4,445.23

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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.