Home / 4,827.20-7,235.40-2,486.30

Finding the Fourth Proportional to 4,827.20, 7,235.40 and 2,486.30

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Solution

The fourth proportional to 4,827.20, 7,235.40 and 2,486.30 is: 3,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.20 : 7,235.40 = 2,486.30 : x
  2. Step 2: Convert to fraction form
    4,827.20/7,235.40 = 2,486.30/x
  3. Step 3: Cross multiply
    4,827.20x = 7,235.40 × 2,486.30
  4. Step 4: Simplify right side
    4,827.20x = 17,989,375.02
  5. Step 5: Solve for x
    x = 17,989,375.02/4,827.20
  6. Step 6: Final answer
    x = 3,726.67

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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.