Home / 6,618.36-9,132.69-3,785.79

Finding the Fourth Proportional to 6,618.36, 9,132.69 and 3,785.79

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Solution

The fourth proportional to 6,618.36, 9,132.69 and 3,785.79 is: 5,224.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.36 : 9,132.69 = 3,785.79 : x
  2. Step 2: Convert to fraction form
    6,618.36/9,132.69 = 3,785.79/x
  3. Step 3: Cross multiply
    6,618.36x = 9,132.69 × 3,785.79
  4. Step 4: Simplify right side
    6,618.36x = 34,574,446.48
  5. Step 5: Solve for x
    x = 34,574,446.48/6,618.36
  6. Step 6: Final answer
    x = 5,224.02

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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.