Home / 5,198.04-7,797.51-1,686.66

Finding the Fourth Proportional to 5,198.04, 7,797.51 and 1,686.66

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Solution

The fourth proportional to 5,198.04, 7,797.51 and 1,686.66 is: 2,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.04 : 7,797.51 = 1,686.66 : x
  2. Step 2: Convert to fraction form
    5,198.04/7,797.51 = 1,686.66/x
  3. Step 3: Cross multiply
    5,198.04x = 7,797.51 × 1,686.66
  4. Step 4: Simplify right side
    5,198.04x = 13,151,748.22
  5. Step 5: Solve for x
    x = 13,151,748.22/5,198.04
  6. Step 6: Final answer
    x = 2,530.14

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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.