Home / 5,730.80-8,596.20-4,272.80

Finding the Fourth Proportional to 5,730.80, 8,596.20 and 4,272.80

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Solution

The fourth proportional to 5,730.80, 8,596.20 and 4,272.80 is: 6,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,730.80 : 8,596.20 = 4,272.80 : x
  2. Step 2: Convert to fraction form
    5,730.80/8,596.20 = 4,272.80/x
  3. Step 3: Cross multiply
    5,730.80x = 8,596.20 × 4,272.80
  4. Step 4: Simplify right side
    5,730.80x = 36,729,843.36
  5. Step 5: Solve for x
    x = 36,729,843.36/5,730.80
  6. Step 6: Final answer
    x = 6,409.20

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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.