Home / 4,488.21-6,186.78-3,159

Finding the Fourth Proportional to 4,488.21, 6,186.78 and 3,159

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Solution

The fourth proportional to 4,488.21, 6,186.78 and 3,159 is: 4,354.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,488.21 : 6,186.78 = 3,159 : x
  2. Step 2: Convert to fraction form
    4,488.21/6,186.78 = 3,159/x
  3. Step 3: Cross multiply
    4,488.21x = 6,186.78 × 3,159
  4. Step 4: Simplify right side
    4,488.21x = 19,544,038.02
  5. Step 5: Solve for x
    x = 19,544,038.02/4,488.21
  6. Step 6: Final answer
    x = 4,354.53

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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.