Home / 6,319.49-8,722.22-4,195.13

Finding the Fourth Proportional to 6,319.49, 8,722.22 and 4,195.13

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Solution

The fourth proportional to 6,319.49, 8,722.22 and 4,195.13 is: 5,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.49 : 8,722.22 = 4,195.13 : x
  2. Step 2: Convert to fraction form
    6,319.49/8,722.22 = 4,195.13/x
  3. Step 3: Cross multiply
    6,319.49x = 8,722.22 × 4,195.13
  4. Step 4: Simplify right side
    6,319.49x = 36,590,782.20
  5. Step 5: Solve for x
    x = 36,590,782.20/6,319.49
  6. Step 6: Final answer
    x = 5,790.15

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Double scale
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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.