Home / 3,842.30-5,765.57-3,563.45

Finding the Fourth Proportional to 3,842.30, 5,765.57 and 3,563.45

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Solution

The fourth proportional to 3,842.30, 5,765.57 and 3,563.45 is: 5,347.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.30 : 5,765.57 = 3,563.45 : x
  2. Step 2: Convert to fraction form
    3,842.30/5,765.57 = 3,563.45/x
  3. Step 3: Cross multiply
    3,842.30x = 5,765.57 × 3,563.45
  4. Step 4: Simplify right side
    3,842.30x = 20,545,302.60
  5. Step 5: Solve for x
    x = 20,545,302.60/3,842.30
  6. Step 6: Final answer
    x = 5,347.14

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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.