Home / 4,386.39-6,579.99-1,266.36

Finding the Fourth Proportional to 4,386.39, 6,579.99 and 1,266.36

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Solution

The fourth proportional to 4,386.39, 6,579.99 and 1,266.36 is: 1,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.39 : 6,579.99 = 1,266.36 : x
  2. Step 2: Convert to fraction form
    4,386.39/6,579.99 = 1,266.36/x
  3. Step 3: Cross multiply
    4,386.39x = 6,579.99 × 1,266.36
  4. Step 4: Simplify right side
    4,386.39x = 8,332,636.14
  5. Step 5: Solve for x
    x = 8,332,636.14/4,386.39
  6. Step 6: Final answer
    x = 1,899.66

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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.