Home / 6,945.45-10,408.45-4,988.49

Finding the Fourth Proportional to 6,945.45, 10,408.45 and 4,988.49

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Solution

The fourth proportional to 6,945.45, 10,408.45 and 4,988.49 is: 7,475.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.45 : 10,408.45 = 4,988.49 : x
  2. Step 2: Convert to fraction form
    6,945.45/10,408.45 = 4,988.49/x
  3. Step 3: Cross multiply
    6,945.45x = 10,408.45 × 4,988.49
  4. Step 4: Simplify right side
    6,945.45x = 51,922,448.74
  5. Step 5: Solve for x
    x = 51,922,448.74/6,945.45
  6. Step 6: Final answer
    x = 7,475.75

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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.