Home / 7,391.32-10,199.82-4,247.32

Finding the Fourth Proportional to 7,391.32, 10,199.82 and 4,247.32

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Solution

The fourth proportional to 7,391.32, 10,199.82 and 4,247.32 is: 5,861.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.32 : 10,199.82 = 4,247.32 : x
  2. Step 2: Convert to fraction form
    7,391.32/10,199.82 = 4,247.32/x
  3. Step 3: Cross multiply
    7,391.32x = 10,199.82 × 4,247.32
  4. Step 4: Simplify right side
    7,391.32x = 43,321,899.48
  5. Step 5: Solve for x
    x = 43,321,899.48/7,391.32
  6. Step 6: Final answer
    x = 5,861.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.