Home / 4,975.39-7,458.04-3,127.81

Finding the Fourth Proportional to 4,975.39, 7,458.04 and 3,127.81

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Solution

The fourth proportional to 4,975.39, 7,458.04 and 3,127.81 is: 4,688.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.39 : 7,458.04 = 3,127.81 : x
  2. Step 2: Convert to fraction form
    4,975.39/7,458.04 = 3,127.81/x
  3. Step 3: Cross multiply
    4,975.39x = 7,458.04 × 3,127.81
  4. Step 4: Simplify right side
    4,975.39x = 23,327,332.09
  5. Step 5: Solve for x
    x = 23,327,332.09/4,975.39
  6. Step 6: Final answer
    x = 4,688.54

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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.