Home / 4,060.62-6,090.96-1,287.30

Finding the Fourth Proportional to 4,060.62, 6,090.96 and 1,287.30

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Solution

The fourth proportional to 4,060.62, 6,090.96 and 1,287.30 is: 1,930.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,060.62 : 6,090.96 = 1,287.30 : x
  2. Step 2: Convert to fraction form
    4,060.62/6,090.96 = 1,287.30/x
  3. Step 3: Cross multiply
    4,060.62x = 6,090.96 × 1,287.30
  4. Step 4: Simplify right side
    4,060.62x = 7,840,892.81
  5. Step 5: Solve for x
    x = 7,840,892.81/4,060.62
  6. Step 6: Final answer
    x = 1,930.96

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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.