Home / 6,928.95-9,561.58-3,944.77

Finding the Fourth Proportional to 6,928.95, 9,561.58 and 3,944.77

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Solution

The fourth proportional to 6,928.95, 9,561.58 and 3,944.77 is: 5,443.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.95 : 9,561.58 = 3,944.77 : x
  2. Step 2: Convert to fraction form
    6,928.95/9,561.58 = 3,944.77/x
  3. Step 3: Cross multiply
    6,928.95x = 9,561.58 × 3,944.77
  4. Step 4: Simplify right side
    6,928.95x = 37,718,233.94
  5. Step 5: Solve for x
    x = 37,718,233.94/6,928.95
  6. Step 6: Final answer
    x = 5,443.57

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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.