Home / 4,628.74-6,388.85-2,859.33

Finding the Fourth Proportional to 4,628.74, 6,388.85 and 2,859.33

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Solution

The fourth proportional to 4,628.74, 6,388.85 and 2,859.33 is: 3,946.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.74 : 6,388.85 = 2,859.33 : x
  2. Step 2: Convert to fraction form
    4,628.74/6,388.85 = 2,859.33/x
  3. Step 3: Cross multiply
    4,628.74x = 6,388.85 × 2,859.33
  4. Step 4: Simplify right side
    4,628.74x = 18,267,830.47
  5. Step 5: Solve for x
    x = 18,267,830.47/4,628.74
  6. Step 6: Final answer
    x = 3,946.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.