Home / 9,407.20-14,110.80-4,741.60

Finding the Fourth Proportional to 9,407.20, 14,110.80 and 4,741.60

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Solution

The fourth proportional to 9,407.20, 14,110.80 and 4,741.60 is: 7,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,407.20 : 14,110.80 = 4,741.60 : x
  2. Step 2: Convert to fraction form
    9,407.20/14,110.80 = 4,741.60/x
  3. Step 3: Cross multiply
    9,407.20x = 14,110.80 × 4,741.60
  4. Step 4: Simplify right side
    9,407.20x = 66,907,769.28
  5. Step 5: Solve for x
    x = 66,907,769.28/9,407.20
  6. Step 6: Final answer
    x = 7,112.40

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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.