Home / 4,310.06-6,465.72-1,388.66

Finding the Fourth Proportional to 4,310.06, 6,465.72 and 1,388.66

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Solution

The fourth proportional to 4,310.06, 6,465.72 and 1,388.66 is: 2,083.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.06 : 6,465.72 = 1,388.66 : x
  2. Step 2: Convert to fraction form
    4,310.06/6,465.72 = 1,388.66/x
  3. Step 3: Cross multiply
    4,310.06x = 6,465.72 × 1,388.66
  4. Step 4: Simplify right side
    4,310.06x = 8,978,686.74
  5. Step 5: Solve for x
    x = 8,978,686.74/4,310.06
  6. Step 6: Final answer
    x = 2,083.19

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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.