Home / 5,457.14-7,530.30-3,098.84

Finding the Fourth Proportional to 5,457.14, 7,530.30 and 3,098.84

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Solution

The fourth proportional to 5,457.14, 7,530.30 and 3,098.84 is: 4,276.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.14 : 7,530.30 = 3,098.84 : x
  2. Step 2: Convert to fraction form
    5,457.14/7,530.30 = 3,098.84/x
  3. Step 3: Cross multiply
    5,457.14x = 7,530.30 × 3,098.84
  4. Step 4: Simplify right side
    5,457.14x = 23,335,194.85
  5. Step 5: Solve for x
    x = 23,335,194.85/5,457.14
  6. Step 6: Final answer
    x = 4,276.09

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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.