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Finding the Fourth Proportional to 4,393.58, 6,591.75 and 1,930.47

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Solution

The fourth proportional to 4,393.58, 6,591.75 and 1,930.47 is: 2,896.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.58 : 6,591.75 = 1,930.47 : x
  2. Step 2: Convert to fraction form
    4,393.58/6,591.75 = 1,930.47/x
  3. Step 3: Cross multiply
    4,393.58x = 6,591.75 × 1,930.47
  4. Step 4: Simplify right side
    4,393.58x = 12,725,143.66
  5. Step 5: Solve for x
    x = 12,725,143.66/4,393.58
  6. Step 6: Final answer
    x = 2,896.31

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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.