Home / 4,618.12-6,928.71-1,984.42

Finding the Fourth Proportional to 4,618.12, 6,928.71 and 1,984.42

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Solution

The fourth proportional to 4,618.12, 6,928.71 and 1,984.42 is: 2,977.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.12 : 6,928.71 = 1,984.42 : x
  2. Step 2: Convert to fraction form
    4,618.12/6,928.71 = 1,984.42/x
  3. Step 3: Cross multiply
    4,618.12x = 6,928.71 × 1,984.42
  4. Step 4: Simplify right side
    4,618.12x = 13,749,470.70
  5. Step 5: Solve for x
    x = 13,749,470.70/4,618.12
  6. Step 6: Final answer
    x = 2,977.29

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1.5x scale

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.