Home / 5,407.63-8,109.47-2,633.47

Finding the Fourth Proportional to 5,407.63, 8,109.47 and 2,633.47

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Solution

The fourth proportional to 5,407.63, 8,109.47 and 2,633.47 is: 3,949.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.63 : 8,109.47 = 2,633.47 : x
  2. Step 2: Convert to fraction form
    5,407.63/8,109.47 = 2,633.47/x
  3. Step 3: Cross multiply
    5,407.63x = 8,109.47 × 2,633.47
  4. Step 4: Simplify right side
    5,407.63x = 21,356,032.79
  5. Step 5: Solve for x
    x = 21,356,032.79/5,407.63
  6. Step 6: Final answer
    x = 3,949.24

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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.