Home / 6,209.80-9,336.30-5,259.40

Finding the Fourth Proportional to 6,209.80, 9,336.30 and 5,259.40

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Solution

The fourth proportional to 6,209.80, 9,336.30 and 5,259.40 is: 7,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.80 : 9,336.30 = 5,259.40 : x
  2. Step 2: Convert to fraction form
    6,209.80/9,336.30 = 5,259.40/x
  3. Step 3: Cross multiply
    6,209.80x = 9,336.30 × 5,259.40
  4. Step 4: Simplify right side
    6,209.80x = 49,103,336.22
  5. Step 5: Solve for x
    x = 49,103,336.22/6,209.80
  6. Step 6: Final answer
    x = 7,907.39

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1.5x scale

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.