Home / 7,388.24-11,081.20-2,457.92

Finding the Fourth Proportional to 7,388.24, 11,081.20 and 2,457.92

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Solution

The fourth proportional to 7,388.24, 11,081.20 and 2,457.92 is: 3,686.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.24 : 11,081.20 = 2,457.92 : x
  2. Step 2: Convert to fraction form
    7,388.24/11,081.20 = 2,457.92/x
  3. Step 3: Cross multiply
    7,388.24x = 11,081.20 × 2,457.92
  4. Step 4: Simplify right side
    7,388.24x = 27,236,703.10
  5. Step 5: Solve for x
    x = 27,236,703.10/7,388.24
  6. Step 6: Final answer
    x = 3,686.49

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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.