Home / 5,578.56-8,365.59-2,289.42

Finding the Fourth Proportional to 5,578.56, 8,365.59 and 2,289.42

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Solution

The fourth proportional to 5,578.56, 8,365.59 and 2,289.42 is: 3,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.56 : 8,365.59 = 2,289.42 : x
  2. Step 2: Convert to fraction form
    5,578.56/8,365.59 = 2,289.42/x
  3. Step 3: Cross multiply
    5,578.56x = 8,365.59 × 2,289.42
  4. Step 4: Simplify right side
    5,578.56x = 19,152,349.06
  5. Step 5: Solve for x
    x = 19,152,349.06/5,578.56
  6. Step 6: Final answer
    x = 3,433.21

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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.