Home / 8,190.26-12,287.86-2,924.60

Finding the Fourth Proportional to 8,190.26, 12,287.86 and 2,924.60

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Solution

The fourth proportional to 8,190.26, 12,287.86 and 2,924.60 is: 4,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.26 : 12,287.86 = 2,924.60 : x
  2. Step 2: Convert to fraction form
    8,190.26/12,287.86 = 2,924.60/x
  3. Step 3: Cross multiply
    8,190.26x = 12,287.86 × 2,924.60
  4. Step 4: Simplify right side
    8,190.26x = 35,937,075.36
  5. Step 5: Solve for x
    x = 35,937,075.36/8,190.26
  6. Step 6: Final answer
    x = 4,387.78

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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.