Home / 8,749.44-12,079.92-6,756.48

Finding the Fourth Proportional to 8,749.44, 12,079.92 and 6,756.48

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Solution

The fourth proportional to 8,749.44, 12,079.92 and 6,756.48 is: 9,328.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.44 : 12,079.92 = 6,756.48 : x
  2. Step 2: Convert to fraction form
    8,749.44/12,079.92 = 6,756.48/x
  3. Step 3: Cross multiply
    8,749.44x = 12,079.92 × 6,756.48
  4. Step 4: Simplify right side
    8,749.44x = 81,617,737.88
  5. Step 5: Solve for x
    x = 81,617,737.88/8,749.44
  6. Step 6: Final answer
    x = 9,328.34

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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.