Home / 7,692.30-11,538.43-3,529.55

Finding the Fourth Proportional to 7,692.30, 11,538.43 and 3,529.55

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Solution

The fourth proportional to 7,692.30, 11,538.43 and 3,529.55 is: 5,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692.30 : 11,538.43 = 3,529.55 : x
  2. Step 2: Convert to fraction form
    7,692.30/11,538.43 = 3,529.55/x
  3. Step 3: Cross multiply
    7,692.30x = 11,538.43 × 3,529.55
  4. Step 4: Simplify right side
    7,692.30x = 40,725,465.61
  5. Step 5: Solve for x
    x = 40,725,465.61/7,692.30
  6. Step 6: Final answer
    x = 5,294.32

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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.