Home / 6,122.90-8,442.39-5,668.96

Finding the Fourth Proportional to 6,122.90, 8,442.39 and 5,668.96

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Solution

The fourth proportional to 6,122.90, 8,442.39 and 5,668.96 is: 7,816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.90 : 8,442.39 = 5,668.96 : x
  2. Step 2: Convert to fraction form
    6,122.90/8,442.39 = 5,668.96/x
  3. Step 3: Cross multiply
    6,122.90x = 8,442.39 × 5,668.96
  4. Step 4: Simplify right side
    6,122.90x = 47,859,529.00
  5. Step 5: Solve for x
    x = 47,859,529.00/6,122.90
  6. Step 6: Final answer
    x = 7,816.48

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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.