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Finding the Fourth Proportional to 4,687.70, 7,035.00 and 2,222.51

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Solution

The fourth proportional to 4,687.70, 7,035.00 and 2,222.51 is: 3,335.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.70 : 7,035.00 = 2,222.51 : x
  2. Step 2: Convert to fraction form
    4,687.70/7,035.00 = 2,222.51/x
  3. Step 3: Cross multiply
    4,687.70x = 7,035.00 × 2,222.51
  4. Step 4: Simplify right side
    4,687.70x = 15,635,314.34
  5. Step 5: Solve for x
    x = 15,635,314.34/4,687.70
  6. Step 6: Final answer
    x = 3,335.39

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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.