Home / 4,138.16-6,207.32-3,312.60

Finding the Fourth Proportional to 4,138.16, 6,207.32 and 3,312.60

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Solution

The fourth proportional to 4,138.16, 6,207.32 and 3,312.60 is: 4,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.16 : 6,207.32 = 3,312.60 : x
  2. Step 2: Convert to fraction form
    4,138.16/6,207.32 = 3,312.60/x
  3. Step 3: Cross multiply
    4,138.16x = 6,207.32 × 3,312.60
  4. Step 4: Simplify right side
    4,138.16x = 20,562,368.23
  5. Step 5: Solve for x
    x = 20,562,368.23/4,138.16
  6. Step 6: Final answer
    x = 4,968.96

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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.