Home / 4,851.82-7,278.65-1,564.03

Finding the Fourth Proportional to 4,851.82, 7,278.65 and 1,564.03

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Solution

The fourth proportional to 4,851.82, 7,278.65 and 1,564.03 is: 2,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.82 : 7,278.65 = 1,564.03 : x
  2. Step 2: Convert to fraction form
    4,851.82/7,278.65 = 1,564.03/x
  3. Step 3: Cross multiply
    4,851.82x = 7,278.65 × 1,564.03
  4. Step 4: Simplify right side
    4,851.82x = 11,384,012.67
  5. Step 5: Solve for x
    x = 11,384,012.67/4,851.82
  6. Step 6: Final answer
    x = 2,346.34

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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.