Home / 5,629.60-8,445-2,340.86

Finding the Fourth Proportional to 5,629.60, 8,445 and 2,340.86

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Solution

The fourth proportional to 5,629.60, 8,445 and 2,340.86 is: 3,511.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.60 : 8,445 = 2,340.86 : x
  2. Step 2: Convert to fraction form
    5,629.60/8,445 = 2,340.86/x
  3. Step 3: Cross multiply
    5,629.60x = 8,445 × 2,340.86
  4. Step 4: Simplify right side
    5,629.60x = 19,768,562.70
  5. Step 5: Solve for x
    x = 19,768,562.70/5,629.60
  6. Step 6: Final answer
    x = 3,511.54

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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.