Home / 7,318.63-10,099.69-3,961.51

Finding the Fourth Proportional to 7,318.63, 10,099.69 and 3,961.51

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Solution

The fourth proportional to 7,318.63, 10,099.69 and 3,961.51 is: 5,466.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.63 : 10,099.69 = 3,961.51 : x
  2. Step 2: Convert to fraction form
    7,318.63/10,099.69 = 3,961.51/x
  3. Step 3: Cross multiply
    7,318.63x = 10,099.69 × 3,961.51
  4. Step 4: Simplify right side
    7,318.63x = 40,009,987.78
  5. Step 5: Solve for x
    x = 40,009,987.78/7,318.63
  6. Step 6: Final answer
    x = 5,466.87

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Why These Related Problems?

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