Home / 5,556.40-8,334.60-4,317.10

Finding the Fourth Proportional to 5,556.40, 8,334.60 and 4,317.10

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Solution

The fourth proportional to 5,556.40, 8,334.60 and 4,317.10 is: 6,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.40 : 8,334.60 = 4,317.10 : x
  2. Step 2: Convert to fraction form
    5,556.40/8,334.60 = 4,317.10/x
  3. Step 3: Cross multiply
    5,556.40x = 8,334.60 × 4,317.10
  4. Step 4: Simplify right side
    5,556.40x = 35,981,301.66
  5. Step 5: Solve for x
    x = 35,981,301.66/5,556.40
  6. Step 6: Final answer
    x = 6,475.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.