Home / 6,247.36-8,613.03-5,181.13

Finding the Fourth Proportional to 6,247.36, 8,613.03 and 5,181.13

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Solution

The fourth proportional to 6,247.36, 8,613.03 and 5,181.13 is: 7,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.36 : 8,613.03 = 5,181.13 : x
  2. Step 2: Convert to fraction form
    6,247.36/8,613.03 = 5,181.13/x
  3. Step 3: Cross multiply
    6,247.36x = 8,613.03 × 5,181.13
  4. Step 4: Simplify right side
    6,247.36x = 44,625,228.12
  5. Step 5: Solve for x
    x = 44,625,228.12/6,247.36
  6. Step 6: Final answer
    x = 7,143.05

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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.