Home / 4,381.26-6,570.75-1,915.62

Finding the Fourth Proportional to 4,381.26, 6,570.75 and 1,915.62

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Solution

The fourth proportional to 4,381.26, 6,570.75 and 1,915.62 is: 2,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.26 : 6,570.75 = 1,915.62 : x
  2. Step 2: Convert to fraction form
    4,381.26/6,570.75 = 1,915.62/x
  3. Step 3: Cross multiply
    4,381.26x = 6,570.75 × 1,915.62
  4. Step 4: Simplify right side
    4,381.26x = 12,587,060.12
  5. Step 5: Solve for x
    x = 12,587,060.12/4,381.26
  6. Step 6: Final answer
    x = 2,872.93

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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.