Home / 7,698.22-11,526.78-4,909.80

Finding the Fourth Proportional to 7,698.22, 11,526.78 and 4,909.80

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Solution

The fourth proportional to 7,698.22, 11,526.78 and 4,909.80 is: 7,351.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.22 : 11,526.78 = 4,909.80 : x
  2. Step 2: Convert to fraction form
    7,698.22/11,526.78 = 4,909.80/x
  3. Step 3: Cross multiply
    7,698.22x = 11,526.78 × 4,909.80
  4. Step 4: Simplify right side
    7,698.22x = 56,594,184.44
  5. Step 5: Solve for x
    x = 56,594,184.44/7,698.22
  6. Step 6: Final answer
    x = 7,351.59

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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.