Home / 4,837.47-7,257.29-1,915.80

Finding the Fourth Proportional to 4,837.47, 7,257.29 and 1,915.80

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Solution

The fourth proportional to 4,837.47, 7,257.29 and 1,915.80 is: 2,874.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,837.47 : 7,257.29 = 1,915.80 : x
  2. Step 2: Convert to fraction form
    4,837.47/7,257.29 = 1,915.80/x
  3. Step 3: Cross multiply
    4,837.47x = 7,257.29 × 1,915.80
  4. Step 4: Simplify right side
    4,837.47x = 13,903,506.60
  5. Step 5: Solve for x
    x = 13,903,506.60/4,837.47
  6. Step 6: Final answer
    x = 2,874.13

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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.