Home / 8,190.99-12,284.33-2,346.21

Finding the Fourth Proportional to 8,190.99, 12,284.33 and 2,346.21

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Solution

The fourth proportional to 8,190.99, 12,284.33 and 2,346.21 is: 3,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.99 : 12,284.33 = 2,346.21 : x
  2. Step 2: Convert to fraction form
    8,190.99/12,284.33 = 2,346.21/x
  3. Step 3: Cross multiply
    8,190.99x = 12,284.33 × 2,346.21
  4. Step 4: Simplify right side
    8,190.99x = 28,821,606.16
  5. Step 5: Solve for x
    x = 28,821,606.16/8,190.99
  6. Step 6: Final answer
    x = 3,518.70

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Double scale
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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.