Home / 5,336.60-8,003.88-1,440.02

Finding the Fourth Proportional to 5,336.60, 8,003.88 and 1,440.02

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Solution

The fourth proportional to 5,336.60, 8,003.88 and 1,440.02 is: 2,159.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.60 : 8,003.88 = 1,440.02 : x
  2. Step 2: Convert to fraction form
    5,336.60/8,003.88 = 1,440.02/x
  3. Step 3: Cross multiply
    5,336.60x = 8,003.88 × 1,440.02
  4. Step 4: Simplify right side
    5,336.60x = 11,525,747.28
  5. Step 5: Solve for x
    x = 11,525,747.28/5,336.60
  6. Step 6: Final answer
    x = 2,159.75

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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.