Home / 6,421.51-9,633.48-3,651.31

Finding the Fourth Proportional to 6,421.51, 9,633.48 and 3,651.31

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Solution

The fourth proportional to 6,421.51, 9,633.48 and 3,651.31 is: 5,477.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.51 : 9,633.48 = 3,651.31 : x
  2. Step 2: Convert to fraction form
    6,421.51/9,633.48 = 3,651.31/x
  3. Step 3: Cross multiply
    6,421.51x = 9,633.48 × 3,651.31
  4. Step 4: Simplify right side
    6,421.51x = 35,174,821.86
  5. Step 5: Solve for x
    x = 35,174,821.86/6,421.51
  6. Step 6: Final answer
    x = 5,477.66

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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.