Home / 4,719.25-7,080.05-1,641.25

Finding the Fourth Proportional to 4,719.25, 7,080.05 and 1,641.25

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Solution

The fourth proportional to 4,719.25, 7,080.05 and 1,641.25 is: 2,462.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.25 : 7,080.05 = 1,641.25 : x
  2. Step 2: Convert to fraction form
    4,719.25/7,080.05 = 1,641.25/x
  3. Step 3: Cross multiply
    4,719.25x = 7,080.05 × 1,641.25
  4. Step 4: Simplify right side
    4,719.25x = 11,620,132.06
  5. Step 5: Solve for x
    x = 11,620,132.06/4,719.25
  6. Step 6: Final answer
    x = 2,462.28

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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.