Home / 7,708.04-10,633.20-5,190.80

Finding the Fourth Proportional to 7,708.04, 10,633.20 and 5,190.80

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Solution

The fourth proportional to 7,708.04, 10,633.20 and 5,190.80 is: 7,160.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.04 : 10,633.20 = 5,190.80 : x
  2. Step 2: Convert to fraction form
    7,708.04/10,633.20 = 5,190.80/x
  3. Step 3: Cross multiply
    7,708.04x = 10,633.20 × 5,190.80
  4. Step 4: Simplify right side
    7,708.04x = 55,194,814.56
  5. Step 5: Solve for x
    x = 55,194,814.56/7,708.04
  6. Step 6: Final answer
    x = 7,160.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.