Home / 4,780.74-7,172.93-2,703.09

Finding the Fourth Proportional to 4,780.74, 7,172.93 and 2,703.09

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Solution

The fourth proportional to 4,780.74, 7,172.93 and 2,703.09 is: 4,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.74 : 7,172.93 = 2,703.09 : x
  2. Step 2: Convert to fraction form
    4,780.74/7,172.93 = 2,703.09/x
  3. Step 3: Cross multiply
    4,780.74x = 7,172.93 × 2,703.09
  4. Step 4: Simplify right side
    4,780.74x = 19,389,061.84
  5. Step 5: Solve for x
    x = 19,389,061.84/4,780.74
  6. Step 6: Final answer
    x = 4,055.66

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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.