Home / 4,419.36-6,629.40-1,458.36

Finding the Fourth Proportional to 4,419.36, 6,629.40 and 1,458.36

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Solution

The fourth proportional to 4,419.36, 6,629.40 and 1,458.36 is: 2,187.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.36 : 6,629.40 = 1,458.36 : x
  2. Step 2: Convert to fraction form
    4,419.36/6,629.40 = 1,458.36/x
  3. Step 3: Cross multiply
    4,419.36x = 6,629.40 × 1,458.36
  4. Step 4: Simplify right side
    4,419.36x = 9,668,051.78
  5. Step 5: Solve for x
    x = 9,668,051.78/4,419.36
  6. Step 6: Final answer
    x = 2,187.66

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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.