Home / 8,399.55-11,590.83-4,621.98

Finding the Fourth Proportional to 8,399.55, 11,590.83 and 4,621.98

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Solution

The fourth proportional to 8,399.55, 11,590.83 and 4,621.98 is: 6,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.55 : 11,590.83 = 4,621.98 : x
  2. Step 2: Convert to fraction form
    8,399.55/11,590.83 = 4,621.98/x
  3. Step 3: Cross multiply
    8,399.55x = 11,590.83 × 4,621.98
  4. Step 4: Simplify right side
    8,399.55x = 53,572,584.44
  5. Step 5: Solve for x
    x = 53,572,584.44/8,399.55
  6. Step 6: Final answer
    x = 6,378.03

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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.