Home / 5,574.45-8,366.40-2,289.90

Finding the Fourth Proportional to 5,574.45, 8,366.40 and 2,289.90

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Solution

The fourth proportional to 5,574.45, 8,366.40 and 2,289.90 is: 3,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.45 : 8,366.40 = 2,289.90 : x
  2. Step 2: Convert to fraction form
    5,574.45/8,366.40 = 2,289.90/x
  3. Step 3: Cross multiply
    5,574.45x = 8,366.40 × 2,289.90
  4. Step 4: Simplify right side
    5,574.45x = 19,158,219.36
  5. Step 5: Solve for x
    x = 19,158,219.36/5,574.45
  6. Step 6: Final answer
    x = 3,436.79

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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.