Home / 7,816.50-11,727.63-4,118.58

Finding the Fourth Proportional to 7,816.50, 11,727.63 and 4,118.58

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Solution

The fourth proportional to 7,816.50, 11,727.63 and 4,118.58 is: 6,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.50 : 11,727.63 = 4,118.58 : x
  2. Step 2: Convert to fraction form
    7,816.50/11,727.63 = 4,118.58/x
  3. Step 3: Cross multiply
    7,816.50x = 11,727.63 × 4,118.58
  4. Step 4: Simplify right side
    7,816.50x = 48,301,182.37
  5. Step 5: Solve for x
    x = 48,301,182.37/7,816.50
  6. Step 6: Final answer
    x = 6,179.39

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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.