Home / 5,131.37-7,695.84-1,844.39

Finding the Fourth Proportional to 5,131.37, 7,695.84 and 1,844.39

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Solution

The fourth proportional to 5,131.37, 7,695.84 and 1,844.39 is: 2,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.37 : 7,695.84 = 1,844.39 : x
  2. Step 2: Convert to fraction form
    5,131.37/7,695.84 = 1,844.39/x
  3. Step 3: Cross multiply
    5,131.37x = 7,695.84 × 1,844.39
  4. Step 4: Simplify right side
    5,131.37x = 14,194,130.34
  5. Step 5: Solve for x
    x = 14,194,130.34/5,131.37
  6. Step 6: Final answer
    x = 2,766.15

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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.