Home / 4,256.82-6,385.15-1,178.74

Finding the Fourth Proportional to 4,256.82, 6,385.15 and 1,178.74

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Solution

The fourth proportional to 4,256.82, 6,385.15 and 1,178.74 is: 1,768.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.82 : 6,385.15 = 1,178.74 : x
  2. Step 2: Convert to fraction form
    4,256.82/6,385.15 = 1,178.74/x
  3. Step 3: Cross multiply
    4,256.82x = 6,385.15 × 1,178.74
  4. Step 4: Simplify right side
    4,256.82x = 7,526,431.71
  5. Step 5: Solve for x
    x = 7,526,431.71/4,256.82
  6. Step 6: Final answer
    x = 1,768.09

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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.