Home / 8,724.23-12,039.50-4,745.34

Finding the Fourth Proportional to 8,724.23, 12,039.50 and 4,745.34

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Solution

The fourth proportional to 8,724.23, 12,039.50 and 4,745.34 is: 6,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.23 : 12,039.50 = 4,745.34 : x
  2. Step 2: Convert to fraction form
    8,724.23/12,039.50 = 4,745.34/x
  3. Step 3: Cross multiply
    8,724.23x = 12,039.50 × 4,745.34
  4. Step 4: Simplify right side
    8,724.23x = 57,131,520.93
  5. Step 5: Solve for x
    x = 57,131,520.93/8,724.23
  6. Step 6: Final answer
    x = 6,548.60

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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.