Home / 5,626.83-8,437.91-2,115.02

Finding the Fourth Proportional to 5,626.83, 8,437.91 and 2,115.02

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Solution

The fourth proportional to 5,626.83, 8,437.91 and 2,115.02 is: 3,171.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.83 : 8,437.91 = 2,115.02 : x
  2. Step 2: Convert to fraction form
    5,626.83/8,437.91 = 2,115.02/x
  3. Step 3: Cross multiply
    5,626.83x = 8,437.91 × 2,115.02
  4. Step 4: Simplify right side
    5,626.83x = 17,846,379.72
  5. Step 5: Solve for x
    x = 17,846,379.72/5,626.83
  6. Step 6: Final answer
    x = 3,171.66

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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.