Home / 4,610.21-6,915.33-1,147.46

Finding the Fourth Proportional to 4,610.21, 6,915.33 and 1,147.46

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Solution

The fourth proportional to 4,610.21, 6,915.33 and 1,147.46 is: 1,721.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.21 : 6,915.33 = 1,147.46 : x
  2. Step 2: Convert to fraction form
    4,610.21/6,915.33 = 1,147.46/x
  3. Step 3: Cross multiply
    4,610.21x = 6,915.33 × 1,147.46
  4. Step 4: Simplify right side
    4,610.21x = 7,935,029.99
  5. Step 5: Solve for x
    x = 7,935,029.99/4,610.21
  6. Step 6: Final answer
    x = 1,721.19

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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.