Home / 8,435.61-12,653.72-4,263.91

Finding the Fourth Proportional to 8,435.61, 12,653.72 and 4,263.91

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Solution

The fourth proportional to 8,435.61, 12,653.72 and 4,263.91 is: 6,396.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.61 : 12,653.72 = 4,263.91 : x
  2. Step 2: Convert to fraction form
    8,435.61/12,653.72 = 4,263.91/x
  3. Step 3: Cross multiply
    8,435.61x = 12,653.72 × 4,263.91
  4. Step 4: Simplify right side
    8,435.61x = 53,954,286.28
  5. Step 5: Solve for x
    x = 53,954,286.28/8,435.61
  6. Step 6: Final answer
    x = 6,396.01

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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.