Home / 6,418.78-8,858.04-3,624.28

Finding the Fourth Proportional to 6,418.78, 8,858.04 and 3,624.28

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Solution

The fourth proportional to 6,418.78, 8,858.04 and 3,624.28 is: 5,001.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.78 : 8,858.04 = 3,624.28 : x
  2. Step 2: Convert to fraction form
    6,418.78/8,858.04 = 3,624.28/x
  3. Step 3: Cross multiply
    6,418.78x = 8,858.04 × 3,624.28
  4. Step 4: Simplify right side
    6,418.78x = 32,104,017.21
  5. Step 5: Solve for x
    x = 32,104,017.21/6,418.78
  6. Step 6: Final answer
    x = 5,001.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.