Home / 8,079.98-11,150.49-4,543.19

Finding the Fourth Proportional to 8,079.98, 11,150.49 and 4,543.19

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Solution

The fourth proportional to 8,079.98, 11,150.49 and 4,543.19 is: 6,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.98 : 11,150.49 = 4,543.19 : x
  2. Step 2: Convert to fraction form
    8,079.98/11,150.49 = 4,543.19/x
  3. Step 3: Cross multiply
    8,079.98x = 11,150.49 × 4,543.19
  4. Step 4: Simplify right side
    8,079.98x = 50,658,738.91
  5. Step 5: Solve for x
    x = 50,658,738.91/8,079.98
  6. Step 6: Final answer
    x = 6,269.67

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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.