Home / 6,619.66-9,131.60-5,362.13

Finding the Fourth Proportional to 6,619.66, 9,131.60 and 5,362.13

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Solution

The fourth proportional to 6,619.66, 9,131.60 and 5,362.13 is: 7,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.66 : 9,131.60 = 5,362.13 : x
  2. Step 2: Convert to fraction form
    6,619.66/9,131.60 = 5,362.13/x
  3. Step 3: Cross multiply
    6,619.66x = 9,131.60 × 5,362.13
  4. Step 4: Simplify right side
    6,619.66x = 48,964,862.54
  5. Step 5: Solve for x
    x = 48,964,862.54/6,619.66
  6. Step 6: Final answer
    x = 7,396.89

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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.