Home / 4,068.96-5,580.84-3,762.78

Finding the Fourth Proportional to 4,068.96, 5,580.84 and 3,762.78

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Solution

The fourth proportional to 4,068.96, 5,580.84 and 3,762.78 is: 5,160.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,068.96 : 5,580.84 = 3,762.78 : x
  2. Step 2: Convert to fraction form
    4,068.96/5,580.84 = 3,762.78/x
  3. Step 3: Cross multiply
    4,068.96x = 5,580.84 × 3,762.78
  4. Step 4: Simplify right side
    4,068.96x = 20,999,473.14
  5. Step 5: Solve for x
    x = 20,999,473.14/4,068.96
  6. Step 6: Final answer
    x = 5,160.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.