Home / 5,093.15-7,639.11-1,395.70

Finding the Fourth Proportional to 5,093.15, 7,639.11 and 1,395.70

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Solution

The fourth proportional to 5,093.15, 7,639.11 and 1,395.70 is: 2,093.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,093.15 : 7,639.11 = 1,395.70 : x
  2. Step 2: Convert to fraction form
    5,093.15/7,639.11 = 1,395.70/x
  3. Step 3: Cross multiply
    5,093.15x = 7,639.11 × 1,395.70
  4. Step 4: Simplify right side
    5,093.15x = 10,661,886.73
  5. Step 5: Solve for x
    x = 10,661,886.73/5,093.15
  6. Step 6: Final answer
    x = 2,093.38

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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.