Home / 4,339.73-6,509.86-1,219.99

Finding the Fourth Proportional to 4,339.73, 6,509.86 and 1,219.99

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Solution

The fourth proportional to 4,339.73, 6,509.86 and 1,219.99 is: 1,830.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339.73 : 6,509.86 = 1,219.99 : x
  2. Step 2: Convert to fraction form
    4,339.73/6,509.86 = 1,219.99/x
  3. Step 3: Cross multiply
    4,339.73x = 6,509.86 × 1,219.99
  4. Step 4: Simplify right side
    4,339.73x = 7,941,958.00
  5. Step 5: Solve for x
    x = 7,941,958.00/4,339.73
  6. Step 6: Final answer
    x = 1,830.06

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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.