Home / 5,622.36-8,431.56-1,672.44

Finding the Fourth Proportional to 5,622.36, 8,431.56 and 1,672.44

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Solution

The fourth proportional to 5,622.36, 8,431.56 and 1,672.44 is: 2,508.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.36 : 8,431.56 = 1,672.44 : x
  2. Step 2: Convert to fraction form
    5,622.36/8,431.56 = 1,672.44/x
  3. Step 3: Cross multiply
    5,622.36x = 8,431.56 × 1,672.44
  4. Step 4: Simplify right side
    5,622.36x = 14,101,278.21
  5. Step 5: Solve for x
    x = 14,101,278.21/5,622.36
  6. Step 6: Final answer
    x = 2,508.07

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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.