Home / 9,071.89-13,611.73-4,692.42

Finding the Fourth Proportional to 9,071.89, 13,611.73 and 4,692.42

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Solution

The fourth proportional to 9,071.89, 13,611.73 and 4,692.42 is: 7,040.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.89 : 13,611.73 = 4,692.42 : x
  2. Step 2: Convert to fraction form
    9,071.89/13,611.73 = 4,692.42/x
  3. Step 3: Cross multiply
    9,071.89x = 13,611.73 × 4,692.42
  4. Step 4: Simplify right side
    9,071.89x = 63,871,954.09
  5. Step 5: Solve for x
    x = 63,871,954.09/9,071.89
  6. Step 6: Final answer
    x = 7,040.64

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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.