Home / 8,142.06-12,211.56-2,298.63

Finding the Fourth Proportional to 8,142.06, 12,211.56 and 2,298.63

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Solution

The fourth proportional to 8,142.06, 12,211.56 and 2,298.63 is: 3,447.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.06 : 12,211.56 = 2,298.63 : x
  2. Step 2: Convert to fraction form
    8,142.06/12,211.56 = 2,298.63/x
  3. Step 3: Cross multiply
    8,142.06x = 12,211.56 × 2,298.63
  4. Step 4: Simplify right side
    8,142.06x = 28,069,858.16
  5. Step 5: Solve for x
    x = 28,069,858.16/8,142.06
  6. Step 6: Final answer
    x = 3,447.51

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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.