Home / 5,093.19-7,639.80-2,169.90

Finding the Fourth Proportional to 5,093.19, 7,639.80 and 2,169.90

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Solution

The fourth proportional to 5,093.19, 7,639.80 and 2,169.90 is: 3,254.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,093.19 : 7,639.80 = 2,169.90 : x
  2. Step 2: Convert to fraction form
    5,093.19/7,639.80 = 2,169.90/x
  3. Step 3: Cross multiply
    5,093.19x = 7,639.80 × 2,169.90
  4. Step 4: Simplify right side
    5,093.19x = 16,577,602.02
  5. Step 5: Solve for x
    x = 16,577,602.02/5,093.19
  6. Step 6: Final answer
    x = 3,254.86

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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.