Home / 4,610.05-6,915.77-1,687.66

Finding the Fourth Proportional to 4,610.05, 6,915.77 and 1,687.66

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Solution

The fourth proportional to 4,610.05, 6,915.77 and 1,687.66 is: 2,531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.05 : 6,915.77 = 1,687.66 : x
  2. Step 2: Convert to fraction form
    4,610.05/6,915.77 = 1,687.66/x
  3. Step 3: Cross multiply
    4,610.05x = 6,915.77 × 1,687.66
  4. Step 4: Simplify right side
    4,610.05x = 11,671,468.40
  5. Step 5: Solve for x
    x = 11,671,468.40/4,610.05
  6. Step 6: Final answer
    x = 2,531.74

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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.