Home / 9,223.60-13,835.40-3,380.80

Finding the Fourth Proportional to 9,223.60, 13,835.40 and 3,380.80

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Solution

The fourth proportional to 9,223.60, 13,835.40 and 3,380.80 is: 5,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,223.60 : 13,835.40 = 3,380.80 : x
  2. Step 2: Convert to fraction form
    9,223.60/13,835.40 = 3,380.80/x
  3. Step 3: Cross multiply
    9,223.60x = 13,835.40 × 3,380.80
  4. Step 4: Simplify right side
    9,223.60x = 46,774,720.32
  5. Step 5: Solve for x
    x = 46,774,720.32/9,223.60
  6. Step 6: Final answer
    x = 5,071.20

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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.