Home / 8,957.58-13,408.66-7,628.98

Finding the Fourth Proportional to 8,957.58, 13,408.66 and 7,628.98

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Solution

The fourth proportional to 8,957.58, 13,408.66 and 7,628.98 is: 11,419.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.58 : 13,408.66 = 7,628.98 : x
  2. Step 2: Convert to fraction form
    8,957.58/13,408.66 = 7,628.98/x
  3. Step 3: Cross multiply
    8,957.58x = 13,408.66 × 7,628.98
  4. Step 4: Simplify right side
    8,957.58x = 102,294,398.97
  5. Step 5: Solve for x
    x = 102,294,398.97/8,957.58
  6. Step 6: Final answer
    x = 11,419.87

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1.5x scale

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.