Home / 7,023.36-9,692.28-4,039.08

Finding the Fourth Proportional to 7,023.36, 9,692.28 and 4,039.08

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Solution

The fourth proportional to 7,023.36, 9,692.28 and 4,039.08 is: 5,573.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.36 : 9,692.28 = 4,039.08 : x
  2. Step 2: Convert to fraction form
    7,023.36/9,692.28 = 4,039.08/x
  3. Step 3: Cross multiply
    7,023.36x = 9,692.28 × 4,039.08
  4. Step 4: Simplify right side
    7,023.36x = 39,147,894.30
  5. Step 5: Solve for x
    x = 39,147,894.30/7,023.36
  6. Step 6: Final answer
    x = 5,573.96

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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.