Home / 5,289.36-7,933.44-1,340.60

Finding the Fourth Proportional to 5,289.36, 7,933.44 and 1,340.60

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Solution

The fourth proportional to 5,289.36, 7,933.44 and 1,340.60 is: 2,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.36 : 7,933.44 = 1,340.60 : x
  2. Step 2: Convert to fraction form
    5,289.36/7,933.44 = 1,340.60/x
  3. Step 3: Cross multiply
    5,289.36x = 7,933.44 × 1,340.60
  4. Step 4: Simplify right side
    5,289.36x = 10,635,569.66
  5. Step 5: Solve for x
    x = 10,635,569.66/5,289.36
  6. Step 6: Final answer
    x = 2,010.75

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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.