Home / 6,110.81-8,433.81-3,872.90

Finding the Fourth Proportional to 6,110.81, 8,433.81 and 3,872.90

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Solution

The fourth proportional to 6,110.81, 8,433.81 and 3,872.90 is: 5,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,110.81 : 8,433.81 = 3,872.90 : x
  2. Step 2: Convert to fraction form
    6,110.81/8,433.81 = 3,872.90/x
  3. Step 3: Cross multiply
    6,110.81x = 8,433.81 × 3,872.90
  4. Step 4: Simplify right side
    6,110.81x = 32,663,260.58
  5. Step 5: Solve for x
    x = 32,663,260.58/6,110.81
  6. Step 6: Final answer
    x = 5,345.16

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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.