Home / 6,430.56-9,643.39-2,269.79

Finding the Fourth Proportional to 6,430.56, 9,643.39 and 2,269.79

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Solution

The fourth proportional to 6,430.56, 9,643.39 and 2,269.79 is: 3,403.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.56 : 9,643.39 = 2,269.79 : x
  2. Step 2: Convert to fraction form
    6,430.56/9,643.39 = 2,269.79/x
  3. Step 3: Cross multiply
    6,430.56x = 9,643.39 × 2,269.79
  4. Step 4: Simplify right side
    6,430.56x = 21,888,488.62
  5. Step 5: Solve for x
    x = 21,888,488.62/6,430.56
  6. Step 6: Final answer
    x = 3,403.82

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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.