Home / 5,457.20-7,530.44-3,098.88

Finding the Fourth Proportional to 5,457.20, 7,530.44 and 3,098.88

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Solution

The fourth proportional to 5,457.20, 7,530.44 and 3,098.88 is: 4,276.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.20 : 7,530.44 = 3,098.88 : x
  2. Step 2: Convert to fraction form
    5,457.20/7,530.44 = 3,098.88/x
  3. Step 3: Cross multiply
    5,457.20x = 7,530.44 × 3,098.88
  4. Step 4: Simplify right side
    5,457.20x = 23,335,914.41
  5. Step 5: Solve for x
    x = 23,335,914.41/5,457.20
  6. Step 6: Final answer
    x = 4,276.17

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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.