Home / 6,209.36-9,315.34-1,826.45

Finding the Fourth Proportional to 6,209.36, 9,315.34 and 1,826.45

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Solution

The fourth proportional to 6,209.36, 9,315.34 and 1,826.45 is: 2,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.36 : 9,315.34 = 1,826.45 : x
  2. Step 2: Convert to fraction form
    6,209.36/9,315.34 = 1,826.45/x
  3. Step 3: Cross multiply
    6,209.36x = 9,315.34 × 1,826.45
  4. Step 4: Simplify right side
    6,209.36x = 17,013,951.60
  5. Step 5: Solve for x
    x = 17,013,951.60/6,209.36
  6. Step 6: Final answer
    x = 2,740.05

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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.