Home / 7,786.45-11,683.32-3,403.34

Finding the Fourth Proportional to 7,786.45, 11,683.32 and 3,403.34

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Solution

The fourth proportional to 7,786.45, 11,683.32 and 3,403.34 is: 5,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.45 : 11,683.32 = 3,403.34 : x
  2. Step 2: Convert to fraction form
    7,786.45/11,683.32 = 3,403.34/x
  3. Step 3: Cross multiply
    7,786.45x = 11,683.32 × 3,403.34
  4. Step 4: Simplify right side
    7,786.45x = 39,762,281.08
  5. Step 5: Solve for x
    x = 39,762,281.08/7,786.45
  6. Step 6: Final answer
    x = 5,106.60

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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.