Home / 4,890.66-7,335.98-1,192.86

Finding the Fourth Proportional to 4,890.66, 7,335.98 and 1,192.86

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Solution

The fourth proportional to 4,890.66, 7,335.98 and 1,192.86 is: 1,789.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.66 : 7,335.98 = 1,192.86 : x
  2. Step 2: Convert to fraction form
    4,890.66/7,335.98 = 1,192.86/x
  3. Step 3: Cross multiply
    4,890.66x = 7,335.98 × 1,192.86
  4. Step 4: Simplify right side
    4,890.66x = 8,750,797.10
  5. Step 5: Solve for x
    x = 8,750,797.10/4,890.66
  6. Step 6: Final answer
    x = 1,789.29

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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.