Home / 4,618.98-6,929.49-1,331.81

Finding the Fourth Proportional to 4,618.98, 6,929.49 and 1,331.81

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Solution

The fourth proportional to 4,618.98, 6,929.49 and 1,331.81 is: 1,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.98 : 6,929.49 = 1,331.81 : x
  2. Step 2: Convert to fraction form
    4,618.98/6,929.49 = 1,331.81/x
  3. Step 3: Cross multiply
    4,618.98x = 6,929.49 × 1,331.81
  4. Step 4: Simplify right side
    4,618.98x = 9,228,778.07
  5. Step 5: Solve for x
    x = 9,228,778.07/4,618.98
  6. Step 6: Final answer
    x = 1,998.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.