Home / 7,108.32-10,662.48-2,727.12

Finding the Fourth Proportional to 7,108.32, 10,662.48 and 2,727.12

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Solution

The fourth proportional to 7,108.32, 10,662.48 and 2,727.12 is: 4,090.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.32 : 10,662.48 = 2,727.12 : x
  2. Step 2: Convert to fraction form
    7,108.32/10,662.48 = 2,727.12/x
  3. Step 3: Cross multiply
    7,108.32x = 10,662.48 × 2,727.12
  4. Step 4: Simplify right side
    7,108.32x = 29,077,862.46
  5. Step 5: Solve for x
    x = 29,077,862.46/7,108.32
  6. Step 6: Final answer
    x = 4,090.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.