Home / 7,727.04-11,590.20-3,106.80

Finding the Fourth Proportional to 7,727.04, 11,590.20 and 3,106.80

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Solution

The fourth proportional to 7,727.04, 11,590.20 and 3,106.80 is: 4,660.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.04 : 11,590.20 = 3,106.80 : x
  2. Step 2: Convert to fraction form
    7,727.04/11,590.20 = 3,106.80/x
  3. Step 3: Cross multiply
    7,727.04x = 11,590.20 × 3,106.80
  4. Step 4: Simplify right side
    7,727.04x = 36,008,433.36
  5. Step 5: Solve for x
    x = 36,008,433.36/7,727.04
  6. Step 6: Final answer
    x = 4,660.06

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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.