Home / 4,258.34-6,385.32-1,916.36

Finding the Fourth Proportional to 4,258.34, 6,385.32 and 1,916.36

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Solution

The fourth proportional to 4,258.34, 6,385.32 and 1,916.36 is: 2,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.34 : 6,385.32 = 1,916.36 : x
  2. Step 2: Convert to fraction form
    4,258.34/6,385.32 = 1,916.36/x
  3. Step 3: Cross multiply
    4,258.34x = 6,385.32 × 1,916.36
  4. Step 4: Simplify right side
    4,258.34x = 12,236,539.91
  5. Step 5: Solve for x
    x = 12,236,539.91/4,258.34
  6. Step 6: Final answer
    x = 2,873.55

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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.