Home / 8,088.56-11,162.68-5,395.12

Finding the Fourth Proportional to 8,088.56, 11,162.68 and 5,395.12

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Solution

The fourth proportional to 8,088.56, 11,162.68 and 5,395.12 is: 7,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.56 : 11,162.68 = 5,395.12 : x
  2. Step 2: Convert to fraction form
    8,088.56/11,162.68 = 5,395.12/x
  3. Step 3: Cross multiply
    8,088.56x = 11,162.68 × 5,395.12
  4. Step 4: Simplify right side
    8,088.56x = 60,223,998.12
  5. Step 5: Solve for x
    x = 60,223,998.12/8,088.56
  6. Step 6: Final answer
    x = 7,445.58

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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.