Home / 4,189.09-6,287.55-2,803.45

Finding the Fourth Proportional to 4,189.09, 6,287.55 and 2,803.45

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Solution

The fourth proportional to 4,189.09, 6,287.55 and 2,803.45 is: 4,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.09 : 6,287.55 = 2,803.45 : x
  2. Step 2: Convert to fraction form
    4,189.09/6,287.55 = 2,803.45/x
  3. Step 3: Cross multiply
    4,189.09x = 6,287.55 × 2,803.45
  4. Step 4: Simplify right side
    4,189.09x = 17,626,832.05
  5. Step 5: Solve for x
    x = 17,626,832.05/4,189.09
  6. Step 6: Final answer
    x = 4,207.80

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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.