Home / 6,431.74-9,641.46-2,480.11

Finding the Fourth Proportional to 6,431.74, 9,641.46 and 2,480.11

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Solution

The fourth proportional to 6,431.74, 9,641.46 and 2,480.11 is: 3,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.74 : 9,641.46 = 2,480.11 : x
  2. Step 2: Convert to fraction form
    6,431.74/9,641.46 = 2,480.11/x
  3. Step 3: Cross multiply
    6,431.74x = 9,641.46 × 2,480.11
  4. Step 4: Simplify right side
    6,431.74x = 23,911,881.36
  5. Step 5: Solve for x
    x = 23,911,881.36/6,431.74
  6. Step 6: Final answer
    x = 3,717.79

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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.