Home / 4,119.99-6,180.08-1,487.72

Finding the Fourth Proportional to 4,119.99, 6,180.08 and 1,487.72

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Solution

The fourth proportional to 4,119.99, 6,180.08 and 1,487.72 is: 2,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.99 : 6,180.08 = 1,487.72 : x
  2. Step 2: Convert to fraction form
    4,119.99/6,180.08 = 1,487.72/x
  3. Step 3: Cross multiply
    4,119.99x = 6,180.08 × 1,487.72
  4. Step 4: Simplify right side
    4,119.99x = 9,194,190.28
  5. Step 5: Solve for x
    x = 9,194,190.28/4,119.99
  6. Step 6: Final answer
    x = 2,231.60

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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.