Home / 8,245.19-12,368.34-3,314.82

Finding the Fourth Proportional to 8,245.19, 12,368.34 and 3,314.82

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Solution

The fourth proportional to 8,245.19, 12,368.34 and 3,314.82 is: 4,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.19 : 12,368.34 = 3,314.82 : x
  2. Step 2: Convert to fraction form
    8,245.19/12,368.34 = 3,314.82/x
  3. Step 3: Cross multiply
    8,245.19x = 12,368.34 × 3,314.82
  4. Step 4: Simplify right side
    8,245.19x = 40,998,820.80
  5. Step 5: Solve for x
    x = 40,998,820.80/8,245.19
  6. Step 6: Final answer
    x = 4,972.45

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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.