Home / 4,837.40-7,256.56-1,915.02

Finding the Fourth Proportional to 4,837.40, 7,256.56 and 1,915.02

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Solution

The fourth proportional to 4,837.40, 7,256.56 and 1,915.02 is: 2,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,837.40 : 7,256.56 = 1,915.02 : x
  2. Step 2: Convert to fraction form
    4,837.40/7,256.56 = 1,915.02/x
  3. Step 3: Cross multiply
    4,837.40x = 7,256.56 × 1,915.02
  4. Step 4: Simplify right side
    4,837.40x = 13,896,457.53
  5. Step 5: Solve for x
    x = 13,896,457.53/4,837.40
  6. Step 6: Final answer
    x = 2,872.71

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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.