Home / 8,433.88-11,636.31-5,451.46

Finding the Fourth Proportional to 8,433.88, 11,636.31 and 5,451.46

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Solution

The fourth proportional to 8,433.88, 11,636.31 and 5,451.46 is: 7,521.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.88 : 11,636.31 = 5,451.46 : x
  2. Step 2: Convert to fraction form
    8,433.88/11,636.31 = 5,451.46/x
  3. Step 3: Cross multiply
    8,433.88x = 11,636.31 × 5,451.46
  4. Step 4: Simplify right side
    8,433.88x = 63,434,878.51
  5. Step 5: Solve for x
    x = 63,434,878.51/8,433.88
  6. Step 6: Final answer
    x = 7,521.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.