Home / 6,928.35-9,561.02-3,784.47

Finding the Fourth Proportional to 6,928.35, 9,561.02 and 3,784.47

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Solution

The fourth proportional to 6,928.35, 9,561.02 and 3,784.47 is: 5,222.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.35 : 9,561.02 = 3,784.47 : x
  2. Step 2: Convert to fraction form
    6,928.35/9,561.02 = 3,784.47/x
  3. Step 3: Cross multiply
    6,928.35x = 9,561.02 × 3,784.47
  4. Step 4: Simplify right side
    6,928.35x = 36,183,374.44
  5. Step 5: Solve for x
    x = 36,183,374.44/6,928.35
  6. Step 6: Final answer
    x = 5,222.51

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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.