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Finding the Fourth Proportional to 4,501, 6,754.98 and 3,124

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Solution

The fourth proportional to 4,501, 6,754.98 and 3,124 is: 4,688.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,501 : 6,754.98 = 3,124 : x
  2. Step 2: Convert to fraction form
    4,501/6,754.98 = 3,124/x
  3. Step 3: Cross multiply
    4,501x = 6,754.98 × 3,124
  4. Step 4: Simplify right side
    4,501x = 21,102,557.52
  5. Step 5: Solve for x
    x = 21,102,557.52/4,501
  6. Step 6: Final answer
    x = 4,688.42

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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.