Home / 5,580.50-8,365.98-2,291.54

Finding the Fourth Proportional to 5,580.50, 8,365.98 and 2,291.54

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Solution

The fourth proportional to 5,580.50, 8,365.98 and 2,291.54 is: 3,435.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.50 : 8,365.98 = 2,291.54 : x
  2. Step 2: Convert to fraction form
    5,580.50/8,365.98 = 2,291.54/x
  3. Step 3: Cross multiply
    5,580.50x = 8,365.98 × 2,291.54
  4. Step 4: Simplify right side
    5,580.50x = 19,170,977.81
  5. Step 5: Solve for x
    x = 19,170,977.81/5,580.50
  6. Step 6: Final answer
    x = 3,435.35

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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.