Home / 5,116.75-7,676.93-2,521.51

Finding the Fourth Proportional to 5,116.75, 7,676.93 and 2,521.51

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Solution

The fourth proportional to 5,116.75, 7,676.93 and 2,521.51 is: 3,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.75 : 7,676.93 = 2,521.51 : x
  2. Step 2: Convert to fraction form
    5,116.75/7,676.93 = 2,521.51/x
  3. Step 3: Cross multiply
    5,116.75x = 7,676.93 × 2,521.51
  4. Step 4: Simplify right side
    5,116.75x = 19,357,455.76
  5. Step 5: Solve for x
    x = 19,357,455.76/5,116.75
  6. Step 6: Final answer
    x = 3,783.15

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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.