Home / 7,921.74-10,930.16-4,736.07

Finding the Fourth Proportional to 7,921.74, 10,930.16 and 4,736.07

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Solution

The fourth proportional to 7,921.74, 10,930.16 and 4,736.07 is: 6,534.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.74 : 10,930.16 = 4,736.07 : x
  2. Step 2: Convert to fraction form
    7,921.74/10,930.16 = 4,736.07/x
  3. Step 3: Cross multiply
    7,921.74x = 10,930.16 × 4,736.07
  4. Step 4: Simplify right side
    7,921.74x = 51,765,979.19
  5. Step 5: Solve for x
    x = 51,765,979.19/7,921.74
  6. Step 6: Final answer
    x = 6,534.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.