Home / 6,384.86-9,557.49-3,455.90

Finding the Fourth Proportional to 6,384.86, 9,557.49 and 3,455.90

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Solution

The fourth proportional to 6,384.86, 9,557.49 and 3,455.90 is: 5,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.86 : 9,557.49 = 3,455.90 : x
  2. Step 2: Convert to fraction form
    6,384.86/9,557.49 = 3,455.90/x
  3. Step 3: Cross multiply
    6,384.86x = 9,557.49 × 3,455.90
  4. Step 4: Simplify right side
    6,384.86x = 33,029,729.69
  5. Step 5: Solve for x
    x = 33,029,729.69/6,384.86
  6. Step 6: Final answer
    x = 5,173.13

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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.