Home / 8,631.53-12,945.27-3,703.49

Finding the Fourth Proportional to 8,631.53, 12,945.27 and 3,703.49

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Solution

The fourth proportional to 8,631.53, 12,945.27 and 3,703.49 is: 5,554.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.53 : 12,945.27 = 3,703.49 : x
  2. Step 2: Convert to fraction form
    8,631.53/12,945.27 = 3,703.49/x
  3. Step 3: Cross multiply
    8,631.53x = 12,945.27 × 3,703.49
  4. Step 4: Simplify right side
    8,631.53x = 47,942,677.99
  5. Step 5: Solve for x
    x = 47,942,677.99/8,631.53
  6. Step 6: Final answer
    x = 5,554.37

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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.