Home / 4,610.25-6,915.31-2,143.69

Finding the Fourth Proportional to 4,610.25, 6,915.31 and 2,143.69

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Solution

The fourth proportional to 4,610.25, 6,915.31 and 2,143.69 is: 3,215.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.25 : 6,915.31 = 2,143.69 : x
  2. Step 2: Convert to fraction form
    4,610.25/6,915.31 = 2,143.69/x
  3. Step 3: Cross multiply
    4,610.25x = 6,915.31 × 2,143.69
  4. Step 4: Simplify right side
    4,610.25x = 14,824,258.25
  5. Step 5: Solve for x
    x = 14,824,258.25/4,610.25
  6. Step 6: Final answer
    x = 3,215.50

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1.5x scale

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.