Home / 4,430.21-6,645.33-1,310.27

Finding the Fourth Proportional to 4,430.21, 6,645.33 and 1,310.27

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Solution

The fourth proportional to 4,430.21, 6,645.33 and 1,310.27 is: 1,965.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.21 : 6,645.33 = 1,310.27 : x
  2. Step 2: Convert to fraction form
    4,430.21/6,645.33 = 1,310.27/x
  3. Step 3: Cross multiply
    4,430.21x = 6,645.33 × 1,310.27
  4. Step 4: Simplify right side
    4,430.21x = 8,707,193.15
  5. Step 5: Solve for x
    x = 8,707,193.15/4,430.21
  6. Step 6: Final answer
    x = 1,965.41

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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.