Home / 5,369.73-8,053.63-1,421.02

Finding the Fourth Proportional to 5,369.73, 8,053.63 and 1,421.02

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Solution

The fourth proportional to 5,369.73, 8,053.63 and 1,421.02 is: 2,131.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.73 : 8,053.63 = 1,421.02 : x
  2. Step 2: Convert to fraction form
    5,369.73/8,053.63 = 1,421.02/x
  3. Step 3: Cross multiply
    5,369.73x = 8,053.63 × 1,421.02
  4. Step 4: Simplify right side
    5,369.73x = 11,444,369.30
  5. Step 5: Solve for x
    x = 11,444,369.30/5,369.73
  6. Step 6: Final answer
    x = 2,131.27

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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.