Home / 4,805.54-7,208.70-1,342.79

Finding the Fourth Proportional to 4,805.54, 7,208.70 and 1,342.79

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Solution

The fourth proportional to 4,805.54, 7,208.70 and 1,342.79 is: 2,014.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.54 : 7,208.70 = 1,342.79 : x
  2. Step 2: Convert to fraction form
    4,805.54/7,208.70 = 1,342.79/x
  3. Step 3: Cross multiply
    4,805.54x = 7,208.70 × 1,342.79
  4. Step 4: Simplify right side
    4,805.54x = 9,679,734.23
  5. Step 5: Solve for x
    x = 9,679,734.23/4,805.54
  6. Step 6: Final answer
    x = 2,014.29

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1.5x scale

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.