Home / 4,618.75-6,928.06-2,152.19

Finding the Fourth Proportional to 4,618.75, 6,928.06 and 2,152.19

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Solution

The fourth proportional to 4,618.75, 6,928.06 and 2,152.19 is: 3,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.75 : 6,928.06 = 2,152.19 : x
  2. Step 2: Convert to fraction form
    4,618.75/6,928.06 = 2,152.19/x
  3. Step 3: Cross multiply
    4,618.75x = 6,928.06 × 2,152.19
  4. Step 4: Simplify right side
    4,618.75x = 14,910,501.45
  5. Step 5: Solve for x
    x = 14,910,501.45/4,618.75
  6. Step 6: Final answer
    x = 3,228.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.