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Finding the Fourth Proportional to 4,999.73, 7,500.87 and 1,712.34

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Solution

The fourth proportional to 4,999.73, 7,500.87 and 1,712.34 is: 2,568.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.73 : 7,500.87 = 1,712.34 : x
  2. Step 2: Convert to fraction form
    4,999.73/7,500.87 = 1,712.34/x
  3. Step 3: Cross multiply
    4,999.73x = 7,500.87 × 1,712.34
  4. Step 4: Simplify right side
    4,999.73x = 12,844,039.74
  5. Step 5: Solve for x
    x = 12,844,039.74/4,999.73
  6. Step 6: Final answer
    x = 2,568.95

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1.5x scale

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.