Home / 7,816.13-11,727.53-5,184.56

Finding the Fourth Proportional to 7,816.13, 11,727.53 and 5,184.56

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Solution

The fourth proportional to 7,816.13, 11,727.53 and 5,184.56 is: 7,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.13 : 11,727.53 = 5,184.56 : x
  2. Step 2: Convert to fraction form
    7,816.13/11,727.53 = 5,184.56/x
  3. Step 3: Cross multiply
    7,816.13x = 11,727.53 × 5,184.56
  4. Step 4: Simplify right side
    7,816.13x = 60,802,052.57
  5. Step 5: Solve for x
    x = 60,802,052.57/7,816.13
  6. Step 6: Final answer
    x = 7,779.05

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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.