Home / 4,718.96-7,079.81-1,947.85

Finding the Fourth Proportional to 4,718.96, 7,079.81 and 1,947.85

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Solution

The fourth proportional to 4,718.96, 7,079.81 and 1,947.85 is: 2,922.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.96 : 7,079.81 = 1,947.85 : x
  2. Step 2: Convert to fraction form
    4,718.96/7,079.81 = 1,947.85/x
  3. Step 3: Cross multiply
    4,718.96x = 7,079.81 × 1,947.85
  4. Step 4: Simplify right side
    4,718.96x = 13,790,380.47
  5. Step 5: Solve for x
    x = 13,790,380.47/4,718.96
  6. Step 6: Final answer
    x = 2,922.34

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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.