Home / 4,256.72-6,384.36-1,178

Finding the Fourth Proportional to 4,256.72, 6,384.36 and 1,178

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Solution

The fourth proportional to 4,256.72, 6,384.36 and 1,178 is: 1,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.72 : 6,384.36 = 1,178 : x
  2. Step 2: Convert to fraction form
    4,256.72/6,384.36 = 1,178/x
  3. Step 3: Cross multiply
    4,256.72x = 6,384.36 × 1,178
  4. Step 4: Simplify right side
    4,256.72x = 7,520,776.08
  5. Step 5: Solve for x
    x = 7,520,776.08/4,256.72
  6. Step 6: Final answer
    x = 1,766.80

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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.