Home / 5,723.56-7,899.21-3,485.76

Finding the Fourth Proportional to 5,723.56, 7,899.21 and 3,485.76

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Solution

The fourth proportional to 5,723.56, 7,899.21 and 3,485.76 is: 4,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.56 : 7,899.21 = 3,485.76 : x
  2. Step 2: Convert to fraction form
    5,723.56/7,899.21 = 3,485.76/x
  3. Step 3: Cross multiply
    5,723.56x = 7,899.21 × 3,485.76
  4. Step 4: Simplify right side
    5,723.56x = 27,534,750.25
  5. Step 5: Solve for x
    x = 27,534,750.25/5,723.56
  6. Step 6: Final answer
    x = 4,810.78

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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.