Home / 7,212.31-9,952.88-4,025.44

Finding the Fourth Proportional to 7,212.31, 9,952.88 and 4,025.44

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Solution

The fourth proportional to 7,212.31, 9,952.88 and 4,025.44 is: 5,555.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.31 : 9,952.88 = 4,025.44 : x
  2. Step 2: Convert to fraction form
    7,212.31/9,952.88 = 4,025.44/x
  3. Step 3: Cross multiply
    7,212.31x = 9,952.88 × 4,025.44
  4. Step 4: Simplify right side
    7,212.31x = 40,064,676.26
  5. Step 5: Solve for x
    x = 40,064,676.26/7,212.31
  6. Step 6: Final answer
    x = 5,555.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.