Home / 4,157.78-6,238.08-1,384.74

Finding the Fourth Proportional to 4,157.78, 6,238.08 and 1,384.74

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Solution

The fourth proportional to 4,157.78, 6,238.08 and 1,384.74 is: 2,077.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.78 : 6,238.08 = 1,384.74 : x
  2. Step 2: Convert to fraction form
    4,157.78/6,238.08 = 1,384.74/x
  3. Step 3: Cross multiply
    4,157.78x = 6,238.08 × 1,384.74
  4. Step 4: Simplify right side
    4,157.78x = 8,638,118.90
  5. Step 5: Solve for x
    x = 8,638,118.90/4,157.78
  6. Step 6: Final answer
    x = 2,077.58

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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.