Home / 5,198.04-7,795.80-2,077.08

Finding the Fourth Proportional to 5,198.04, 7,795.80 and 2,077.08

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Solution

The fourth proportional to 5,198.04, 7,795.80 and 2,077.08 is: 3,115.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.04 : 7,795.80 = 2,077.08 : x
  2. Step 2: Convert to fraction form
    5,198.04/7,795.80 = 2,077.08/x
  3. Step 3: Cross multiply
    5,198.04x = 7,795.80 × 2,077.08
  4. Step 4: Simplify right side
    5,198.04x = 16,192,500.26
  5. Step 5: Solve for x
    x = 16,192,500.26/5,198.04
  6. Step 6: Final answer
    x = 3,115.12

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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.