Home / 4,747.80-7,122.47-1,460.89

Finding the Fourth Proportional to 4,747.80, 7,122.47 and 1,460.89

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Solution

The fourth proportional to 4,747.80, 7,122.47 and 1,460.89 is: 2,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.80 : 7,122.47 = 1,460.89 : x
  2. Step 2: Convert to fraction form
    4,747.80/7,122.47 = 1,460.89/x
  3. Step 3: Cross multiply
    4,747.80x = 7,122.47 × 1,460.89
  4. Step 4: Simplify right side
    4,747.80x = 10,405,179.16
  5. Step 5: Solve for x
    x = 10,405,179.16/4,747.80
  6. Step 6: Final answer
    x = 2,191.58

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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.