Home / 5,233.20-7,842.60-3,692.40

Finding the Fourth Proportional to 5,233.20, 7,842.60 and 3,692.40

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Solution

The fourth proportional to 5,233.20, 7,842.60 and 3,692.40 is: 5,533.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.20 : 7,842.60 = 3,692.40 : x
  2. Step 2: Convert to fraction form
    5,233.20/7,842.60 = 3,692.40/x
  3. Step 3: Cross multiply
    5,233.20x = 7,842.60 × 3,692.40
  4. Step 4: Simplify right side
    5,233.20x = 28,958,016.24
  5. Step 5: Solve for x
    x = 28,958,016.24/5,233.20
  6. Step 6: Final answer
    x = 5,533.52

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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.