Home / 4,108.72-6,165.60-1,916.32

Finding the Fourth Proportional to 4,108.72, 6,165.60 and 1,916.32

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Solution

The fourth proportional to 4,108.72, 6,165.60 and 1,916.32 is: 2,875.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.72 : 6,165.60 = 1,916.32 : x
  2. Step 2: Convert to fraction form
    4,108.72/6,165.60 = 1,916.32/x
  3. Step 3: Cross multiply
    4,108.72x = 6,165.60 × 1,916.32
  4. Step 4: Simplify right side
    4,108.72x = 11,815,262.59
  5. Step 5: Solve for x
    x = 11,815,262.59/4,108.72
  6. Step 6: Final answer
    x = 2,875.66

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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.