Home / 6,118.20-8,442.70-3,323.64

Finding the Fourth Proportional to 6,118.20, 8,442.70 and 3,323.64

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Solution

The fourth proportional to 6,118.20, 8,442.70 and 3,323.64 is: 4,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.20 : 8,442.70 = 3,323.64 : x
  2. Step 2: Convert to fraction form
    6,118.20/8,442.70 = 3,323.64/x
  3. Step 3: Cross multiply
    6,118.20x = 8,442.70 × 3,323.64
  4. Step 4: Simplify right side
    6,118.20x = 28,060,495.43
  5. Step 5: Solve for x
    x = 28,060,495.43/6,118.20
  6. Step 6: Final answer
    x = 4,586.40

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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.