Home / 4,420.36-6,629.82-1,342.36

Finding the Fourth Proportional to 4,420.36, 6,629.82 and 1,342.36

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Solution

The fourth proportional to 4,420.36, 6,629.82 and 1,342.36 is: 2,013.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.36 : 6,629.82 = 1,342.36 : x
  2. Step 2: Convert to fraction form
    4,420.36/6,629.82 = 1,342.36/x
  3. Step 3: Cross multiply
    4,420.36x = 6,629.82 × 1,342.36
  4. Step 4: Simplify right side
    4,420.36x = 8,899,605.18
  5. Step 5: Solve for x
    x = 8,899,605.18/4,420.36
  6. Step 6: Final answer
    x = 2,013.32

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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.