Home / 4,382.13-6,570.99-1,915.86

Finding the Fourth Proportional to 4,382.13, 6,570.99 and 1,915.86

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Solution

The fourth proportional to 4,382.13, 6,570.99 and 1,915.86 is: 2,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,382.13 : 6,570.99 = 1,915.86 : x
  2. Step 2: Convert to fraction form
    4,382.13/6,570.99 = 1,915.86/x
  3. Step 3: Cross multiply
    4,382.13x = 6,570.99 × 1,915.86
  4. Step 4: Simplify right side
    4,382.13x = 12,589,096.90
  5. Step 5: Solve for x
    x = 12,589,096.90/4,382.13
  6. Step 6: Final answer
    x = 2,872.83

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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.