Home / 6,717.22-9,270.39-4,065.28

Finding the Fourth Proportional to 6,717.22, 9,270.39 and 4,065.28

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Solution

The fourth proportional to 6,717.22, 9,270.39 and 4,065.28 is: 5,610.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.22 : 9,270.39 = 4,065.28 : x
  2. Step 2: Convert to fraction form
    6,717.22/9,270.39 = 4,065.28/x
  3. Step 3: Cross multiply
    6,717.22x = 9,270.39 × 4,065.28
  4. Step 4: Simplify right side
    6,717.22x = 37,686,731.06
  5. Step 5: Solve for x
    x = 37,686,731.06/6,717.22
  6. Step 6: Final answer
    x = 5,610.47

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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.