Home / 6,427.23-9,640.74-1,747.34

Finding the Fourth Proportional to 6,427.23, 9,640.74 and 1,747.34

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Solution

The fourth proportional to 6,427.23, 9,640.74 and 1,747.34 is: 2,620.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.23 : 9,640.74 = 1,747.34 : x
  2. Step 2: Convert to fraction form
    6,427.23/9,640.74 = 1,747.34/x
  3. Step 3: Cross multiply
    6,427.23x = 9,640.74 × 1,747.34
  4. Step 4: Simplify right side
    6,427.23x = 16,845,602.43
  5. Step 5: Solve for x
    x = 16,845,602.43/6,427.23
  6. Step 6: Final answer
    x = 2,620.97

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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.