Home / 5,554.50-8,331.84-1,605.81

Finding the Fourth Proportional to 5,554.50, 8,331.84 and 1,605.81

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Solution

The fourth proportional to 5,554.50, 8,331.84 and 1,605.81 is: 2,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.50 : 8,331.84 = 1,605.81 : x
  2. Step 2: Convert to fraction form
    5,554.50/8,331.84 = 1,605.81/x
  3. Step 3: Cross multiply
    5,554.50x = 8,331.84 × 1,605.81
  4. Step 4: Simplify right side
    5,554.50x = 13,379,351.99
  5. Step 5: Solve for x
    x = 13,379,351.99/5,554.50
  6. Step 6: Final answer
    x = 2,408.74

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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.