Home / 7,724.77-10,661.75-4,367.72

Finding the Fourth Proportional to 7,724.77, 10,661.75 and 4,367.72

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Solution

The fourth proportional to 7,724.77, 10,661.75 and 4,367.72 is: 6,028.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.77 : 10,661.75 = 4,367.72 : x
  2. Step 2: Convert to fraction form
    7,724.77/10,661.75 = 4,367.72/x
  3. Step 3: Cross multiply
    7,724.77x = 10,661.75 × 4,367.72
  4. Step 4: Simplify right side
    7,724.77x = 46,567,538.71
  5. Step 5: Solve for x
    x = 46,567,538.71/7,724.77
  6. Step 6: Final answer
    x = 6,028.34

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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.