Home / 6,419.34-9,621.14-3,648.33

Finding the Fourth Proportional to 6,419.34, 9,621.14 and 3,648.33

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Solution

The fourth proportional to 6,419.34, 9,621.14 and 3,648.33 is: 5,468.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.34 : 9,621.14 = 3,648.33 : x
  2. Step 2: Convert to fraction form
    6,419.34/9,621.14 = 3,648.33/x
  3. Step 3: Cross multiply
    6,419.34x = 9,621.14 × 3,648.33
  4. Step 4: Simplify right side
    6,419.34x = 35,101,075.45
  5. Step 5: Solve for x
    x = 35,101,075.45/6,419.34
  6. Step 6: Final answer
    x = 5,468.02

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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.