Home / 6,608.38-9,117.75-4,089.28

Finding the Fourth Proportional to 6,608.38, 9,117.75 and 4,089.28

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Solution

The fourth proportional to 6,608.38, 9,117.75 and 4,089.28 is: 5,642.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.38 : 9,117.75 = 4,089.28 : x
  2. Step 2: Convert to fraction form
    6,608.38/9,117.75 = 4,089.28/x
  3. Step 3: Cross multiply
    6,608.38x = 9,117.75 × 4,089.28
  4. Step 4: Simplify right side
    6,608.38x = 37,285,032.72
  5. Step 5: Solve for x
    x = 37,285,032.72/6,608.38
  6. Step 6: Final answer
    x = 5,642.08

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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.