Home / 5,180.48-7,764.23-4,080.50

Finding the Fourth Proportional to 5,180.48, 7,764.23 and 4,080.50

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Solution

The fourth proportional to 5,180.48, 7,764.23 and 4,080.50 is: 6,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.48 : 7,764.23 = 4,080.50 : x
  2. Step 2: Convert to fraction form
    5,180.48/7,764.23 = 4,080.50/x
  3. Step 3: Cross multiply
    5,180.48x = 7,764.23 × 4,080.50
  4. Step 4: Simplify right side
    5,180.48x = 31,681,940.52
  5. Step 5: Solve for x
    x = 31,681,940.52/5,180.48
  6. Step 6: Final answer
    x = 6,115.64

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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.