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Finding the Fourth Proportional to 4,499.44, 6,746.66 and 1,866.22

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Solution

The fourth proportional to 4,499.44, 6,746.66 and 1,866.22 is: 2,798.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,499.44 : 6,746.66 = 1,866.22 : x
  2. Step 2: Convert to fraction form
    4,499.44/6,746.66 = 1,866.22/x
  3. Step 3: Cross multiply
    4,499.44x = 6,746.66 × 1,866.22
  4. Step 4: Simplify right side
    4,499.44x = 12,590,751.83
  5. Step 5: Solve for x
    x = 12,590,751.83/4,499.44
  6. Step 6: Final answer
    x = 2,798.29

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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.