Home / 7,620.48-10,516.32-4,635.81

Finding the Fourth Proportional to 7,620.48, 10,516.32 and 4,635.81

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Solution

The fourth proportional to 7,620.48, 10,516.32 and 4,635.81 is: 6,397.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.48 : 10,516.32 = 4,635.81 : x
  2. Step 2: Convert to fraction form
    7,620.48/10,516.32 = 4,635.81/x
  3. Step 3: Cross multiply
    7,620.48x = 10,516.32 × 4,635.81
  4. Step 4: Simplify right side
    7,620.48x = 48,751,661.42
  5. Step 5: Solve for x
    x = 48,751,661.42/7,620.48
  6. Step 6: Final answer
    x = 6,397.45

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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.