Home / 7,745.40-11,618.46-2,551.32

Finding the Fourth Proportional to 7,745.40, 11,618.46 and 2,551.32

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Solution

The fourth proportional to 7,745.40, 11,618.46 and 2,551.32 is: 3,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.40 : 11,618.46 = 2,551.32 : x
  2. Step 2: Convert to fraction form
    7,745.40/11,618.46 = 2,551.32/x
  3. Step 3: Cross multiply
    7,745.40x = 11,618.46 × 2,551.32
  4. Step 4: Simplify right side
    7,745.40x = 29,642,409.37
  5. Step 5: Solve for x
    x = 29,642,409.37/7,745.40
  6. Step 6: Final answer
    x = 3,827.10

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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.