Home / 8,190.15-11,302.41-4,605.31

Finding the Fourth Proportional to 8,190.15, 11,302.41 and 4,605.31

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Solution

The fourth proportional to 8,190.15, 11,302.41 and 4,605.31 is: 6,355.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.15 : 11,302.41 = 4,605.31 : x
  2. Step 2: Convert to fraction form
    8,190.15/11,302.41 = 4,605.31/x
  3. Step 3: Cross multiply
    8,190.15x = 11,302.41 × 4,605.31
  4. Step 4: Simplify right side
    8,190.15x = 52,051,069.62
  5. Step 5: Solve for x
    x = 52,051,069.62/8,190.15
  6. Step 6: Final answer
    x = 6,355.33

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Half 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.