Home / 4,631.51-6,391.36-2,642.03

Finding the Fourth Proportional to 4,631.51, 6,391.36 and 2,642.03

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Solution

The fourth proportional to 4,631.51, 6,391.36 and 2,642.03 is: 3,645.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.51 : 6,391.36 = 2,642.03 : x
  2. Step 2: Convert to fraction form
    4,631.51/6,391.36 = 2,642.03/x
  3. Step 3: Cross multiply
    4,631.51x = 6,391.36 × 2,642.03
  4. Step 4: Simplify right side
    4,631.51x = 16,886,148.88
  5. Step 5: Solve for x
    x = 16,886,148.88/4,631.51
  6. Step 6: Final answer
    x = 3,645.93

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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.