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Finding the Fourth Proportional to 4,915.88, 7,373.48 and 1,628.88

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Solution

The fourth proportional to 4,915.88, 7,373.48 and 1,628.88 is: 2,443.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.88 : 7,373.48 = 1,628.88 : x
  2. Step 2: Convert to fraction form
    4,915.88/7,373.48 = 1,628.88/x
  3. Step 3: Cross multiply
    4,915.88x = 7,373.48 × 1,628.88
  4. Step 4: Simplify right side
    4,915.88x = 12,010,514.10
  5. Step 5: Solve for x
    x = 12,010,514.10/4,915.88
  6. Step 6: Final answer
    x = 2,443.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.