Home / 8,634.63-12,966.48-5,637.69

Finding the Fourth Proportional to 8,634.63, 12,966.48 and 5,637.69

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Solution

The fourth proportional to 8,634.63, 12,966.48 and 5,637.69 is: 8,466.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.63 : 12,966.48 = 5,637.69 : x
  2. Step 2: Convert to fraction form
    8,634.63/12,966.48 = 5,637.69/x
  3. Step 3: Cross multiply
    8,634.63x = 12,966.48 × 5,637.69
  4. Step 4: Simplify right side
    8,634.63x = 73,100,994.63
  5. Step 5: Solve for x
    x = 73,100,994.63/8,634.63
  6. Step 6: Final answer
    x = 8,466.03

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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.