Home / 8,214.16-12,322.32-3,283.68

Finding the Fourth Proportional to 8,214.16, 12,322.32 and 3,283.68

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Solution

The fourth proportional to 8,214.16, 12,322.32 and 3,283.68 is: 4,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.16 : 12,322.32 = 3,283.68 : x
  2. Step 2: Convert to fraction form
    8,214.16/12,322.32 = 3,283.68/x
  3. Step 3: Cross multiply
    8,214.16x = 12,322.32 × 3,283.68
  4. Step 4: Simplify right side
    8,214.16x = 40,462,555.74
  5. Step 5: Solve for x
    x = 40,462,555.74/8,214.16
  6. Step 6: Final answer
    x = 4,925.95

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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.