Home / 6,610.26-9,116.90-5,618.82

Finding the Fourth Proportional to 6,610.26, 9,116.90 and 5,618.82

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Solution

The fourth proportional to 6,610.26, 9,116.90 and 5,618.82 is: 7,749.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.26 : 9,116.90 = 5,618.82 : x
  2. Step 2: Convert to fraction form
    6,610.26/9,116.90 = 5,618.82/x
  3. Step 3: Cross multiply
    6,610.26x = 9,116.90 × 5,618.82
  4. Step 4: Simplify right side
    6,610.26x = 51,226,220.06
  5. Step 5: Solve for x
    x = 51,226,220.06/6,610.26
  6. Step 6: Final answer
    x = 7,749.50

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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.