Home / 5,488.08-8,236.26-2,857.74

Finding the Fourth Proportional to 5,488.08, 8,236.26 and 2,857.74

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Solution

The fourth proportional to 5,488.08, 8,236.26 and 2,857.74 is: 4,288.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.08 : 8,236.26 = 2,857.74 : x
  2. Step 2: Convert to fraction form
    5,488.08/8,236.26 = 2,857.74/x
  3. Step 3: Cross multiply
    5,488.08x = 8,236.26 × 2,857.74
  4. Step 4: Simplify right side
    5,488.08x = 23,537,089.65
  5. Step 5: Solve for x
    x = 23,537,089.65/5,488.08
  6. Step 6: Final answer
    x = 4,288.77

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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.