Home / 5,380.24-8,071.44-2,457.76

Finding the Fourth Proportional to 5,380.24, 8,071.44 and 2,457.76

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Solution

The fourth proportional to 5,380.24, 8,071.44 and 2,457.76 is: 3,687.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.24 : 8,071.44 = 2,457.76 : x
  2. Step 2: Convert to fraction form
    5,380.24/8,071.44 = 2,457.76/x
  3. Step 3: Cross multiply
    5,380.24x = 8,071.44 × 2,457.76
  4. Step 4: Simplify right side
    5,380.24x = 19,837,662.37
  5. Step 5: Solve for x
    x = 19,837,662.37/5,380.24
  6. Step 6: Final answer
    x = 3,687.13

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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.