Home / 4,740.21-7,101.80-2,791.35

Finding the Fourth Proportional to 4,740.21, 7,101.80 and 2,791.35

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Solution

The fourth proportional to 4,740.21, 7,101.80 and 2,791.35 is: 4,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.21 : 7,101.80 = 2,791.35 : x
  2. Step 2: Convert to fraction form
    4,740.21/7,101.80 = 2,791.35/x
  3. Step 3: Cross multiply
    4,740.21x = 7,101.80 × 2,791.35
  4. Step 4: Simplify right side
    4,740.21x = 19,823,595.47
  5. Step 5: Solve for x
    x = 19,823,595.47/4,740.21
  6. Step 6: Final answer
    x = 4,182.01

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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.