Home / 4,619.94-6,915.90-2,977.66

Finding the Fourth Proportional to 4,619.94, 6,915.90 and 2,977.66

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Solution

The fourth proportional to 4,619.94, 6,915.90 and 2,977.66 is: 4,457.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.94 : 6,915.90 = 2,977.66 : x
  2. Step 2: Convert to fraction form
    4,619.94/6,915.90 = 2,977.66/x
  3. Step 3: Cross multiply
    4,619.94x = 6,915.90 × 2,977.66
  4. Step 4: Simplify right side
    4,619.94x = 20,593,198.79
  5. Step 5: Solve for x
    x = 20,593,198.79/4,619.94
  6. Step 6: Final answer
    x = 4,457.46

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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.