Home / 9,087.36-13,630.08-3,163.20

Finding the Fourth Proportional to 9,087.36, 13,630.08 and 3,163.20

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Solution

The fourth proportional to 9,087.36, 13,630.08 and 3,163.20 is: 4,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.36 : 13,630.08 = 3,163.20 : x
  2. Step 2: Convert to fraction form
    9,087.36/13,630.08 = 3,163.20/x
  3. Step 3: Cross multiply
    9,087.36x = 13,630.08 × 3,163.20
  4. Step 4: Simplify right side
    9,087.36x = 43,114,669.06
  5. Step 5: Solve for x
    x = 43,114,669.06/9,087.36
  6. Step 6: Final answer
    x = 4,744.47

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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.