Home / 4,187.02-6,279.99-1,109.02

Finding the Fourth Proportional to 4,187.02, 6,279.99 and 1,109.02

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Solution

The fourth proportional to 4,187.02, 6,279.99 and 1,109.02 is: 1,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.02 : 6,279.99 = 1,109.02 : x
  2. Step 2: Convert to fraction form
    4,187.02/6,279.99 = 1,109.02/x
  3. Step 3: Cross multiply
    4,187.02x = 6,279.99 × 1,109.02
  4. Step 4: Simplify right side
    4,187.02x = 6,964,634.51
  5. Step 5: Solve for x
    x = 6,964,634.51/4,187.02
  6. Step 6: Final answer
    x = 1,663.39

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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.