Home / 5,497.28-8,248.80-2,421.44

Finding the Fourth Proportional to 5,497.28, 8,248.80 and 2,421.44

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Solution

The fourth proportional to 5,497.28, 8,248.80 and 2,421.44 is: 3,633.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.28 : 8,248.80 = 2,421.44 : x
  2. Step 2: Convert to fraction form
    5,497.28/8,248.80 = 2,421.44/x
  3. Step 3: Cross multiply
    5,497.28x = 8,248.80 × 2,421.44
  4. Step 4: Simplify right side
    5,497.28x = 19,973,974.27
  5. Step 5: Solve for x
    x = 19,973,974.27/5,497.28
  6. Step 6: Final answer
    x = 3,633.43

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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.