Home / 4,751.49-7,124.81-2,777.79

Finding the Fourth Proportional to 4,751.49, 7,124.81 and 2,777.79

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Solution

The fourth proportional to 4,751.49, 7,124.81 and 2,777.79 is: 4,165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.49 : 7,124.81 = 2,777.79 : x
  2. Step 2: Convert to fraction form
    4,751.49/7,124.81 = 2,777.79/x
  3. Step 3: Cross multiply
    4,751.49x = 7,124.81 × 2,777.79
  4. Step 4: Simplify right side
    4,751.49x = 19,791,212.08
  5. Step 5: Solve for x
    x = 19,791,212.08/4,751.49
  6. Step 6: Final answer
    x = 4,165.26

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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.