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Finding the Fourth Proportional to 4,822.61, 7,233.77 and 2,047.88

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Solution

The fourth proportional to 4,822.61, 7,233.77 and 2,047.88 is: 3,071.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.61 : 7,233.77 = 2,047.88 : x
  2. Step 2: Convert to fraction form
    4,822.61/7,233.77 = 2,047.88/x
  3. Step 3: Cross multiply
    4,822.61x = 7,233.77 × 2,047.88
  4. Step 4: Simplify right side
    4,822.61x = 14,813,916.11
  5. Step 5: Solve for x
    x = 14,813,916.11/4,822.61
  6. Step 6: Final answer
    x = 3,071.77

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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.