Home / 5,100.45-7,649.66-1,589.51

Finding the Fourth Proportional to 5,100.45, 7,649.66 and 1,589.51

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Solution

The fourth proportional to 5,100.45, 7,649.66 and 1,589.51 is: 2,383.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.45 : 7,649.66 = 1,589.51 : x
  2. Step 2: Convert to fraction form
    5,100.45/7,649.66 = 1,589.51/x
  3. Step 3: Cross multiply
    5,100.45x = 7,649.66 × 1,589.51
  4. Step 4: Simplify right side
    5,100.45x = 12,159,164.87
  5. Step 5: Solve for x
    x = 12,159,164.87/5,100.45
  6. Step 6: Final answer
    x = 2,383.94

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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.