Home / 6,945.08-10,404.53-3,430.97

Finding the Fourth Proportional to 6,945.08, 10,404.53 and 3,430.97

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Solution

The fourth proportional to 6,945.08, 10,404.53 and 3,430.97 is: 5,139.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.08 : 10,404.53 = 3,430.97 : x
  2. Step 2: Convert to fraction form
    6,945.08/10,404.53 = 3,430.97/x
  3. Step 3: Cross multiply
    6,945.08x = 10,404.53 × 3,430.97
  4. Step 4: Simplify right side
    6,945.08x = 35,697,574.09
  5. Step 5: Solve for x
    x = 35,697,574.09/6,945.08
  6. Step 6: Final answer
    x = 5,139.98

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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.