Home / 8,181.16-11,285.34-5,035.12

Finding the Fourth Proportional to 8,181.16, 11,285.34 and 5,035.12

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Solution

The fourth proportional to 8,181.16, 11,285.34 and 5,035.12 is: 6,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.16 : 11,285.34 = 5,035.12 : x
  2. Step 2: Convert to fraction form
    8,181.16/11,285.34 = 5,035.12/x
  3. Step 3: Cross multiply
    8,181.16x = 11,285.34 × 5,035.12
  4. Step 4: Simplify right side
    8,181.16x = 56,823,041.14
  5. Step 5: Solve for x
    x = 56,823,041.14/8,181.16
  6. Step 6: Final answer
    x = 6,945.60

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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.