Home / 4,207.67-6,312.45-1,396.50

Finding the Fourth Proportional to 4,207.67, 6,312.45 and 1,396.50

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Solution

The fourth proportional to 4,207.67, 6,312.45 and 1,396.50 is: 2,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.67 : 6,312.45 = 1,396.50 : x
  2. Step 2: Convert to fraction form
    4,207.67/6,312.45 = 1,396.50/x
  3. Step 3: Cross multiply
    4,207.67x = 6,312.45 × 1,396.50
  4. Step 4: Simplify right side
    4,207.67x = 8,815,336.43
  5. Step 5: Solve for x
    x = 8,815,336.43/4,207.67
  6. Step 6: Final answer
    x = 2,095.07

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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.