Home / 5,385.84-8,076.76-2,098.56

Finding the Fourth Proportional to 5,385.84, 8,076.76 and 2,098.56

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Solution

The fourth proportional to 5,385.84, 8,076.76 and 2,098.56 is: 3,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.84 : 8,076.76 = 2,098.56 : x
  2. Step 2: Convert to fraction form
    5,385.84/8,076.76 = 2,098.56/x
  3. Step 3: Cross multiply
    5,385.84x = 8,076.76 × 2,098.56
  4. Step 4: Simplify right side
    5,385.84x = 16,949,565.47
  5. Step 5: Solve for x
    x = 16,949,565.47/5,385.84
  6. Step 6: Final answer
    x = 3,147.06

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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.