Home / 5,106.18-7,654.41-1,641

Finding the Fourth Proportional to 5,106.18, 7,654.41 and 1,641

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Solution

The fourth proportional to 5,106.18, 7,654.41 and 1,641 is: 2,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.18 : 7,654.41 = 1,641 : x
  2. Step 2: Convert to fraction form
    5,106.18/7,654.41 = 1,641/x
  3. Step 3: Cross multiply
    5,106.18x = 7,654.41 × 1,641
  4. Step 4: Simplify right side
    5,106.18x = 12,560,886.81
  5. Step 5: Solve for x
    x = 12,560,886.81/5,106.18
  6. Step 6: Final answer
    x = 2,459.94

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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.