Home / 5,394.24-7,440.96-4,214.88

Finding the Fourth Proportional to 5,394.24, 7,440.96 and 4,214.88

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Solution

The fourth proportional to 5,394.24, 7,440.96 and 4,214.88 is: 5,814.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.24 : 7,440.96 = 4,214.88 : x
  2. Step 2: Convert to fraction form
    5,394.24/7,440.96 = 4,214.88/x
  3. Step 3: Cross multiply
    5,394.24x = 7,440.96 × 4,214.88
  4. Step 4: Simplify right side
    5,394.24x = 31,362,753.48
  5. Step 5: Solve for x
    x = 31,362,753.48/5,394.24
  6. Step 6: Final answer
    x = 5,814.12

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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.