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Finding the Fourth Proportional to 4,663.29, 6,994.95 and 1,890.02

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Solution

The fourth proportional to 4,663.29, 6,994.95 and 1,890.02 is: 2,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,663.29 : 6,994.95 = 1,890.02 : x
  2. Step 2: Convert to fraction form
    4,663.29/6,994.95 = 1,890.02/x
  3. Step 3: Cross multiply
    4,663.29x = 6,994.95 × 1,890.02
  4. Step 4: Simplify right side
    4,663.29x = 13,220,560.42
  5. Step 5: Solve for x
    x = 13,220,560.42/4,663.29
  6. Step 6: Final answer
    x = 2,835.03

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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.