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Finding the Fourth Proportional to 4,999.66, 7,492.71 and 2,773.24

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Solution

The fourth proportional to 4,999.66, 7,492.71 and 2,773.24 is: 4,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.66 : 7,492.71 = 2,773.24 : x
  2. Step 2: Convert to fraction form
    4,999.66/7,492.71 = 2,773.24/x
  3. Step 3: Cross multiply
    4,999.66x = 7,492.71 × 2,773.24
  4. Step 4: Simplify right side
    4,999.66x = 20,779,083.08
  5. Step 5: Solve for x
    x = 20,779,083.08/4,999.66
  6. Step 6: Final answer
    x = 4,156.10

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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.