Home / 7,486.68-11,230.06-1,939.63

Finding the Fourth Proportional to 7,486.68, 11,230.06 and 1,939.63

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Solution

The fourth proportional to 7,486.68, 11,230.06 and 1,939.63 is: 2,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.68 : 11,230.06 = 1,939.63 : x
  2. Step 2: Convert to fraction form
    7,486.68/11,230.06 = 1,939.63/x
  3. Step 3: Cross multiply
    7,486.68x = 11,230.06 × 1,939.63
  4. Step 4: Simplify right side
    7,486.68x = 21,782,161.28
  5. Step 5: Solve for x
    x = 21,782,161.28/7,486.68
  6. Step 6: Final answer
    x = 2,909.46

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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.