Home / 4,323.89-6,481.95-1,690.79

Finding the Fourth Proportional to 4,323.89, 6,481.95 and 1,690.79

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Solution

The fourth proportional to 4,323.89, 6,481.95 and 1,690.79 is: 2,534.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,323.89 : 6,481.95 = 1,690.79 : x
  2. Step 2: Convert to fraction form
    4,323.89/6,481.95 = 1,690.79/x
  3. Step 3: Cross multiply
    4,323.89x = 6,481.95 × 1,690.79
  4. Step 4: Simplify right side
    4,323.89x = 10,959,583.83
  5. Step 5: Solve for x
    x = 10,959,583.83/4,323.89
  6. Step 6: Final answer
    x = 2,534.66

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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.