Home / 7,454.80-10,287.75-4,268.09

Finding the Fourth Proportional to 7,454.80, 10,287.75 and 4,268.09

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Solution

The fourth proportional to 7,454.80, 10,287.75 and 4,268.09 is: 5,890.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.80 : 10,287.75 = 4,268.09 : x
  2. Step 2: Convert to fraction form
    7,454.80/10,287.75 = 4,268.09/x
  3. Step 3: Cross multiply
    7,454.80x = 10,287.75 × 4,268.09
  4. Step 4: Simplify right side
    7,454.80x = 43,909,042.90
  5. Step 5: Solve for x
    x = 43,909,042.90/7,454.80
  6. Step 6: Final answer
    x = 5,890.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.