Home / 4,824.31-6,640.69-4,202.23

Finding the Fourth Proportional to 4,824.31, 6,640.69 and 4,202.23

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Solution

The fourth proportional to 4,824.31, 6,640.69 and 4,202.23 is: 5,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,824.31 : 6,640.69 = 4,202.23 : x
  2. Step 2: Convert to fraction form
    4,824.31/6,640.69 = 4,202.23/x
  3. Step 3: Cross multiply
    4,824.31x = 6,640.69 × 4,202.23
  4. Step 4: Simplify right side
    4,824.31x = 27,905,706.74
  5. Step 5: Solve for x
    x = 27,905,706.74/4,824.31
  6. Step 6: Final answer
    x = 5,784.39

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Half scale
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Double scale
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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.