Home / 4,090.91-5,640.98-2,762.30

Finding the Fourth Proportional to 4,090.91, 5,640.98 and 2,762.30

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Solution

The fourth proportional to 4,090.91, 5,640.98 and 2,762.30 is: 3,808.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.91 : 5,640.98 = 2,762.30 : x
  2. Step 2: Convert to fraction form
    4,090.91/5,640.98 = 2,762.30/x
  3. Step 3: Cross multiply
    4,090.91x = 5,640.98 × 2,762.30
  4. Step 4: Simplify right side
    4,090.91x = 15,582,091.00
  5. Step 5: Solve for x
    x = 15,582,091.00/4,090.91
  6. Step 6: Final answer
    x = 3,808.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.