Home / 7,445.22-11,167.67-1,898.44

Finding the Fourth Proportional to 7,445.22, 11,167.67 and 1,898.44

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Solution

The fourth proportional to 7,445.22, 11,167.67 and 1,898.44 is: 2,847.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.22 : 11,167.67 = 1,898.44 : x
  2. Step 2: Convert to fraction form
    7,445.22/11,167.67 = 1,898.44/x
  3. Step 3: Cross multiply
    7,445.22x = 11,167.67 × 1,898.44
  4. Step 4: Simplify right side
    7,445.22x = 21,201,128.26
  5. Step 5: Solve for x
    x = 21,201,128.26/7,445.22
  6. Step 6: Final answer
    x = 2,847.62

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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.