Home / 5,620.32-8,436.06-4,155.12

Finding the Fourth Proportional to 5,620.32, 8,436.06 and 4,155.12

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Solution

The fourth proportional to 5,620.32, 8,436.06 and 4,155.12 is: 6,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.32 : 8,436.06 = 4,155.12 : x
  2. Step 2: Convert to fraction form
    5,620.32/8,436.06 = 4,155.12/x
  3. Step 3: Cross multiply
    5,620.32x = 8,436.06 × 4,155.12
  4. Step 4: Simplify right side
    5,620.32x = 35,052,841.63
  5. Step 5: Solve for x
    x = 35,052,841.63/5,620.32
  6. Step 6: Final answer
    x = 6,236.81

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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.