Home / 7,617.99-11,427.21-2,071.31

Finding the Fourth Proportional to 7,617.99, 11,427.21 and 2,071.31

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Solution

The fourth proportional to 7,617.99, 11,427.21 and 2,071.31 is: 3,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.99 : 11,427.21 = 2,071.31 : x
  2. Step 2: Convert to fraction form
    7,617.99/11,427.21 = 2,071.31/x
  3. Step 3: Cross multiply
    7,617.99x = 11,427.21 × 2,071.31
  4. Step 4: Simplify right side
    7,617.99x = 23,669,237.21
  5. Step 5: Solve for x
    x = 23,669,237.21/7,617.99
  6. Step 6: Final answer
    x = 3,107.02

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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.