Home / 7,723.67-11,585.34-1,880.33

Finding the Fourth Proportional to 7,723.67, 11,585.34 and 1,880.33

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Solution

The fourth proportional to 7,723.67, 11,585.34 and 1,880.33 is: 2,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.67 : 11,585.34 = 1,880.33 : x
  2. Step 2: Convert to fraction form
    7,723.67/11,585.34 = 1,880.33/x
  3. Step 3: Cross multiply
    7,723.67x = 11,585.34 × 1,880.33
  4. Step 4: Simplify right side
    7,723.67x = 21,784,204.44
  5. Step 5: Solve for x
    x = 21,784,204.44/7,723.67
  6. Step 6: Final answer
    x = 2,820.45

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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.