Home / 8,649.48-12,973.62-3,102.51

Finding the Fourth Proportional to 8,649.48, 12,973.62 and 3,102.51

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Solution

The fourth proportional to 8,649.48, 12,973.62 and 3,102.51 is: 4,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649.48 : 12,973.62 = 3,102.51 : x
  2. Step 2: Convert to fraction form
    8,649.48/12,973.62 = 3,102.51/x
  3. Step 3: Cross multiply
    8,649.48x = 12,973.62 × 3,102.51
  4. Step 4: Simplify right side
    8,649.48x = 40,250,785.79
  5. Step 5: Solve for x
    x = 40,250,785.79/8,649.48
  6. Step 6: Final answer
    x = 4,653.55

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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.