Home / 5,389.77-8,087.80-2,269.59

Finding the Fourth Proportional to 5,389.77, 8,087.80 and 2,269.59

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Solution

The fourth proportional to 5,389.77, 8,087.80 and 2,269.59 is: 3,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.77 : 8,087.80 = 2,269.59 : x
  2. Step 2: Convert to fraction form
    5,389.77/8,087.80 = 2,269.59/x
  3. Step 3: Cross multiply
    5,389.77x = 8,087.80 × 2,269.59
  4. Step 4: Simplify right side
    5,389.77x = 18,355,990.00
  5. Step 5: Solve for x
    x = 18,355,990.00/5,389.77
  6. Step 6: Final answer
    x = 3,405.71

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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.