Home / 4,178.08-6,267.12-1,256.38

Finding the Fourth Proportional to 4,178.08, 6,267.12 and 1,256.38

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Solution

The fourth proportional to 4,178.08, 6,267.12 and 1,256.38 is: 1,884.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.08 : 6,267.12 = 1,256.38 : x
  2. Step 2: Convert to fraction form
    4,178.08/6,267.12 = 1,256.38/x
  3. Step 3: Cross multiply
    4,178.08x = 6,267.12 × 1,256.38
  4. Step 4: Simplify right side
    4,178.08x = 7,873,884.23
  5. Step 5: Solve for x
    x = 7,873,884.23/4,178.08
  6. Step 6: Final answer
    x = 1,884.57

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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.