Home / 7,724.06-10,659.27-4,187.33

Finding the Fourth Proportional to 7,724.06, 10,659.27 and 4,187.33

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Solution

The fourth proportional to 7,724.06, 10,659.27 and 4,187.33 is: 5,778.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.06 : 10,659.27 = 4,187.33 : x
  2. Step 2: Convert to fraction form
    7,724.06/10,659.27 = 4,187.33/x
  3. Step 3: Cross multiply
    7,724.06x = 10,659.27 × 4,187.33
  4. Step 4: Simplify right side
    7,724.06x = 44,633,881.05
  5. Step 5: Solve for x
    x = 44,633,881.05/7,724.06
  6. Step 6: Final answer
    x = 5,778.55

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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.