Home / 6,919.80-10,373.40-2,536.20

Finding the Fourth Proportional to 6,919.80, 10,373.40 and 2,536.20

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Solution

The fourth proportional to 6,919.80, 10,373.40 and 2,536.20 is: 3,801.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.80 : 10,373.40 = 2,536.20 : x
  2. Step 2: Convert to fraction form
    6,919.80/10,373.40 = 2,536.20/x
  3. Step 3: Cross multiply
    6,919.80x = 10,373.40 × 2,536.20
  4. Step 4: Simplify right side
    6,919.80x = 26,309,017.08
  5. Step 5: Solve for x
    x = 26,309,017.08/6,919.80
  6. Step 6: Final answer
    x = 3,801.99

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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.