Home / 4,120.07-6,178.83-1,487.24

Finding the Fourth Proportional to 4,120.07, 6,178.83 and 1,487.24

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Solution

The fourth proportional to 4,120.07, 6,178.83 and 1,487.24 is: 2,230.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.07 : 6,178.83 = 1,487.24 : x
  2. Step 2: Convert to fraction form
    4,120.07/6,178.83 = 1,487.24/x
  3. Step 3: Cross multiply
    4,120.07x = 6,178.83 × 1,487.24
  4. Step 4: Simplify right side
    4,120.07x = 9,189,364.80
  5. Step 5: Solve for x
    x = 9,189,364.80/4,120.07
  6. Step 6: Final answer
    x = 2,230.39

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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.