Home / 4,728.09-7,084.32-2,873.58

Finding the Fourth Proportional to 4,728.09, 7,084.32 and 2,873.58

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Solution

The fourth proportional to 4,728.09, 7,084.32 and 2,873.58 is: 4,305.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.09 : 7,084.32 = 2,873.58 : x
  2. Step 2: Convert to fraction form
    4,728.09/7,084.32 = 2,873.58/x
  3. Step 3: Cross multiply
    4,728.09x = 7,084.32 × 2,873.58
  4. Step 4: Simplify right side
    4,728.09x = 20,357,360.27
  5. Step 5: Solve for x
    x = 20,357,360.27/4,728.09
  6. Step 6: Final answer
    x = 4,305.62

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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.