Home / 5,586.48-8,364.60-3,390.80

Finding the Fourth Proportional to 5,586.48, 8,364.60 and 3,390.80

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Solution

The fourth proportional to 5,586.48, 8,364.60 and 3,390.80 is: 5,077.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.48 : 8,364.60 = 3,390.80 : x
  2. Step 2: Convert to fraction form
    5,586.48/8,364.60 = 3,390.80/x
  3. Step 3: Cross multiply
    5,586.48x = 8,364.60 × 3,390.80
  4. Step 4: Simplify right side
    5,586.48x = 28,362,685.68
  5. Step 5: Solve for x
    x = 28,362,685.68/5,586.48
  6. Step 6: Final answer
    x = 5,077.02

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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.