Home / 6,209.79-9,312.70-2,048.86

Finding the Fourth Proportional to 6,209.79, 9,312.70 and 2,048.86

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Solution

The fourth proportional to 6,209.79, 9,312.70 and 2,048.86 is: 3,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.79 : 9,312.70 = 2,048.86 : x
  2. Step 2: Convert to fraction form
    6,209.79/9,312.70 = 2,048.86/x
  3. Step 3: Cross multiply
    6,209.79x = 9,312.70 × 2,048.86
  4. Step 4: Simplify right side
    6,209.79x = 19,080,418.52
  5. Step 5: Solve for x
    x = 19,080,418.52/6,209.79
  6. Step 6: Final answer
    x = 3,072.64

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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.