Home / 8,738.07-12,054.94-5,550.51

Finding the Fourth Proportional to 8,738.07, 12,054.94 and 5,550.51

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Solution

The fourth proportional to 8,738.07, 12,054.94 and 5,550.51 is: 7,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.07 : 12,054.94 = 5,550.51 : x
  2. Step 2: Convert to fraction form
    8,738.07/12,054.94 = 5,550.51/x
  3. Step 3: Cross multiply
    8,738.07x = 12,054.94 × 5,550.51
  4. Step 4: Simplify right side
    8,738.07x = 66,911,065.02
  5. Step 5: Solve for x
    x = 66,911,065.02/8,738.07
  6. Step 6: Final answer
    x = 7,657.42

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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.