Home / 6,430.19-9,645.21-2,269.22

Finding the Fourth Proportional to 6,430.19, 9,645.21 and 2,269.22

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Solution

The fourth proportional to 6,430.19, 9,645.21 and 2,269.22 is: 3,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.19 : 9,645.21 = 2,269.22 : x
  2. Step 2: Convert to fraction form
    6,430.19/9,645.21 = 2,269.22/x
  3. Step 3: Cross multiply
    6,430.19x = 9,645.21 × 2,269.22
  4. Step 4: Simplify right side
    6,430.19x = 21,887,055.21
  5. Step 5: Solve for x
    x = 21,887,055.21/6,430.19
  6. Step 6: Final answer
    x = 3,403.80

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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.