Home / 6,345.05-9,518.49-1,962.86

Finding the Fourth Proportional to 6,345.05, 9,518.49 and 1,962.86

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Solution

The fourth proportional to 6,345.05, 9,518.49 and 1,962.86 is: 2,944.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.05 : 9,518.49 = 1,962.86 : x
  2. Step 2: Convert to fraction form
    6,345.05/9,518.49 = 1,962.86/x
  3. Step 3: Cross multiply
    6,345.05x = 9,518.49 × 1,962.86
  4. Step 4: Simplify right side
    6,345.05x = 18,683,415.69
  5. Step 5: Solve for x
    x = 18,683,415.69/6,345.05
  6. Step 6: Final answer
    x = 2,944.57

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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.