Home / 8,276.99-12,415.45-3,346.57

Finding the Fourth Proportional to 8,276.99, 12,415.45 and 3,346.57

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Solution

The fourth proportional to 8,276.99, 12,415.45 and 3,346.57 is: 5,019.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.99 : 12,415.45 = 3,346.57 : x
  2. Step 2: Convert to fraction form
    8,276.99/12,415.45 = 3,346.57/x
  3. Step 3: Cross multiply
    8,276.99x = 12,415.45 × 3,346.57
  4. Step 4: Simplify right side
    8,276.99x = 41,549,172.51
  5. Step 5: Solve for x
    x = 41,549,172.51/8,276.99
  6. Step 6: Final answer
    x = 5,019.84

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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.