Home / 4,719.93-7,080.75-1,945.06

Finding the Fourth Proportional to 4,719.93, 7,080.75 and 1,945.06

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Solution

The fourth proportional to 4,719.93, 7,080.75 and 1,945.06 is: 2,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.93 : 7,080.75 = 1,945.06 : x
  2. Step 2: Convert to fraction form
    4,719.93/7,080.75 = 1,945.06/x
  3. Step 3: Cross multiply
    4,719.93x = 7,080.75 × 1,945.06
  4. Step 4: Simplify right side
    4,719.93x = 13,772,483.60
  5. Step 5: Solve for x
    x = 13,772,483.60/4,719.93
  6. Step 6: Final answer
    x = 2,917.94

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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.