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Finding the Fourth Proportional to 8,015.16, 11,057.04 and 5,652.12

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Solution

The fourth proportional to 8,015.16, 11,057.04 and 5,652.12 is: 7,797.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.16 : 11,057.04 = 5,652.12 : x
  2. Step 2: Convert to fraction form
    8,015.16/11,057.04 = 5,652.12/x
  3. Step 3: Cross multiply
    8,015.16x = 11,057.04 × 5,652.12
  4. Step 4: Simplify right side
    8,015.16x = 62,495,716.92
  5. Step 5: Solve for x
    x = 62,495,716.92/8,015.16
  6. Step 6: Final answer
    x = 7,797.19

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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.