Home / 5,510.34-8,255.09-4,271.68

Finding the Fourth Proportional to 5,510.34, 8,255.09 and 4,271.68

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Solution

The fourth proportional to 5,510.34, 8,255.09 and 4,271.68 is: 6,399.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.34 : 8,255.09 = 4,271.68 : x
  2. Step 2: Convert to fraction form
    5,510.34/8,255.09 = 4,271.68/x
  3. Step 3: Cross multiply
    5,510.34x = 8,255.09 × 4,271.68
  4. Step 4: Simplify right side
    5,510.34x = 35,263,102.85
  5. Step 5: Solve for x
    x = 35,263,102.85/5,510.34
  6. Step 6: Final answer
    x = 6,399.44

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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.