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Finding the Fourth Proportional to 4,798.66, 7,202.08 and 1,879.02

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Solution

The fourth proportional to 4,798.66, 7,202.08 and 1,879.02 is: 2,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798.66 : 7,202.08 = 1,879.02 : x
  2. Step 2: Convert to fraction form
    4,798.66/7,202.08 = 1,879.02/x
  3. Step 3: Cross multiply
    4,798.66x = 7,202.08 × 1,879.02
  4. Step 4: Simplify right side
    4,798.66x = 13,532,852.36
  5. Step 5: Solve for x
    x = 13,532,852.36/4,798.66
  6. Step 6: Final answer
    x = 2,820.13

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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.