Home / 6,431.74-9,649.32-2,734.18

Finding the Fourth Proportional to 6,431.74, 9,649.32 and 2,734.18

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Solution

The fourth proportional to 6,431.74, 9,649.32 and 2,734.18 is: 4,102.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.74 : 9,649.32 = 2,734.18 : x
  2. Step 2: Convert to fraction form
    6,431.74/9,649.32 = 2,734.18/x
  3. Step 3: Cross multiply
    6,431.74x = 9,649.32 × 2,734.18
  4. Step 4: Simplify right side
    6,431.74x = 26,382,977.76
  5. Step 5: Solve for x
    x = 26,382,977.76/6,431.74
  6. Step 6: Final answer
    x = 4,102.00

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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.