Home / 8,322.14-12,472.44-3,386.10

Finding the Fourth Proportional to 8,322.14, 12,472.44 and 3,386.10

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Solution

The fourth proportional to 8,322.14, 12,472.44 and 3,386.10 is: 5,074.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.14 : 12,472.44 = 3,386.10 : x
  2. Step 2: Convert to fraction form
    8,322.14/12,472.44 = 3,386.10/x
  3. Step 3: Cross multiply
    8,322.14x = 12,472.44 × 3,386.10
  4. Step 4: Simplify right side
    8,322.14x = 42,232,929.08
  5. Step 5: Solve for x
    x = 42,232,929.08/8,322.14
  6. Step 6: Final answer
    x = 5,074.77

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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.