Home / 4,399.20-6,598.80-1,112.26

Finding the Fourth Proportional to 4,399.20, 6,598.80 and 1,112.26

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Solution

The fourth proportional to 4,399.20, 6,598.80 and 1,112.26 is: 1,668.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.20 : 6,598.80 = 1,112.26 : x
  2. Step 2: Convert to fraction form
    4,399.20/6,598.80 = 1,112.26/x
  3. Step 3: Cross multiply
    4,399.20x = 6,598.80 × 1,112.26
  4. Step 4: Simplify right side
    4,399.20x = 7,339,581.29
  5. Step 5: Solve for x
    x = 7,339,581.29/4,399.20
  6. Step 6: Final answer
    x = 1,668.39

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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.