Home / 5,119.10-7,676.13-1,655.90

Finding the Fourth Proportional to 5,119.10, 7,676.13 and 1,655.90

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Solution

The fourth proportional to 5,119.10, 7,676.13 and 1,655.90 is: 2,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.10 : 7,676.13 = 1,655.90 : x
  2. Step 2: Convert to fraction form
    5,119.10/7,676.13 = 1,655.90/x
  3. Step 3: Cross multiply
    5,119.10x = 7,676.13 × 1,655.90
  4. Step 4: Simplify right side
    5,119.10x = 12,710,903.67
  5. Step 5: Solve for x
    x = 12,710,903.67/5,119.10
  6. Step 6: Final answer
    x = 2,483.03

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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.