Home / 9,137.94-12,610.60-5,551.68

Finding the Fourth Proportional to 9,137.94, 12,610.60 and 5,551.68

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Solution

The fourth proportional to 9,137.94, 12,610.60 and 5,551.68 is: 7,661.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.94 : 12,610.60 = 5,551.68 : x
  2. Step 2: Convert to fraction form
    9,137.94/12,610.60 = 5,551.68/x
  3. Step 3: Cross multiply
    9,137.94x = 12,610.60 × 5,551.68
  4. Step 4: Simplify right side
    9,137.94x = 70,010,015.81
  5. Step 5: Solve for x
    x = 70,010,015.81/9,137.94
  6. Step 6: Final answer
    x = 7,661.47

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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.