Home / 4,680.60-7,020.83-1,393.71

Finding the Fourth Proportional to 4,680.60, 7,020.83 and 1,393.71

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Solution

The fourth proportional to 4,680.60, 7,020.83 and 1,393.71 is: 2,090.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.60 : 7,020.83 = 1,393.71 : x
  2. Step 2: Convert to fraction form
    4,680.60/7,020.83 = 1,393.71/x
  3. Step 3: Cross multiply
    4,680.60x = 7,020.83 × 1,393.71
  4. Step 4: Simplify right side
    4,680.60x = 9,784,994.01
  5. Step 5: Solve for x
    x = 9,784,994.01/4,680.60
  6. Step 6: Final answer
    x = 2,090.54

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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.