Home / 7,614.09-11,420.87-2,683.60

Finding the Fourth Proportional to 7,614.09, 11,420.87 and 2,683.60

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Solution

The fourth proportional to 7,614.09, 11,420.87 and 2,683.60 is: 4,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.09 : 11,420.87 = 2,683.60 : x
  2. Step 2: Convert to fraction form
    7,614.09/11,420.87 = 2,683.60/x
  3. Step 3: Cross multiply
    7,614.09x = 11,420.87 × 2,683.60
  4. Step 4: Simplify right side
    7,614.09x = 30,649,075.59
  5. Step 5: Solve for x
    x = 30,649,075.59/7,614.09
  6. Step 6: Final answer
    x = 4,025.31

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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.