Home / 4,890.40-7,342.56-3,035.56

Finding the Fourth Proportional to 4,890.40, 7,342.56 and 3,035.56

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Solution

The fourth proportional to 4,890.40, 7,342.56 and 3,035.56 is: 4,557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.40 : 7,342.56 = 3,035.56 : x
  2. Step 2: Convert to fraction form
    4,890.40/7,342.56 = 3,035.56/x
  3. Step 3: Cross multiply
    4,890.40x = 7,342.56 × 3,035.56
  4. Step 4: Simplify right side
    4,890.40x = 22,288,781.43
  5. Step 5: Solve for x
    x = 22,288,781.43/4,890.40
  6. Step 6: Final answer
    x = 4,557.66

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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.