Home / 6,684.72-9,216.36-4,585.20

Finding the Fourth Proportional to 6,684.72, 9,216.36 and 4,585.20

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Solution

The fourth proportional to 6,684.72, 9,216.36 and 4,585.20 is: 6,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,684.72 : 9,216.36 = 4,585.20 : x
  2. Step 2: Convert to fraction form
    6,684.72/9,216.36 = 4,585.20/x
  3. Step 3: Cross multiply
    6,684.72x = 9,216.36 × 4,585.20
  4. Step 4: Simplify right side
    6,684.72x = 42,258,853.87
  5. Step 5: Solve for x
    x = 42,258,853.87/6,684.72
  6. Step 6: Final answer
    x = 6,321.71

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Half scale
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Double scale
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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.