Home / 7,718.24-10,648.72-4,732.64

Finding the Fourth Proportional to 7,718.24, 10,648.72 and 4,732.64

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Solution

The fourth proportional to 7,718.24, 10,648.72 and 4,732.64 is: 6,529.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.24 : 10,648.72 = 4,732.64 : x
  2. Step 2: Convert to fraction form
    7,718.24/10,648.72 = 4,732.64/x
  3. Step 3: Cross multiply
    7,718.24x = 10,648.72 × 4,732.64
  4. Step 4: Simplify right side
    7,718.24x = 50,396,558.22
  5. Step 5: Solve for x
    x = 50,396,558.22/7,718.24
  6. Step 6: Final answer
    x = 6,529.54

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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.