Home / 4,323.70-6,486.32-1,790.79

Finding the Fourth Proportional to 4,323.70, 6,486.32 and 1,790.79

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Solution

The fourth proportional to 4,323.70, 6,486.32 and 1,790.79 is: 2,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,323.70 : 6,486.32 = 1,790.79 : x
  2. Step 2: Convert to fraction form
    4,323.70/6,486.32 = 1,790.79/x
  3. Step 3: Cross multiply
    4,323.70x = 6,486.32 × 1,790.79
  4. Step 4: Simplify right side
    4,323.70x = 11,615,636.99
  5. Step 5: Solve for x
    x = 11,615,636.99/4,323.70
  6. Step 6: Final answer
    x = 2,686.50

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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.