Home / 8,655.86-11,950.53-5,676.02

Finding the Fourth Proportional to 8,655.86, 11,950.53 and 5,676.02

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Solution

The fourth proportional to 8,655.86, 11,950.53 and 5,676.02 is: 7,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655.86 : 11,950.53 = 5,676.02 : x
  2. Step 2: Convert to fraction form
    8,655.86/11,950.53 = 5,676.02/x
  3. Step 3: Cross multiply
    8,655.86x = 11,950.53 × 5,676.02
  4. Step 4: Simplify right side
    8,655.86x = 67,831,447.29
  5. Step 5: Solve for x
    x = 67,831,447.29/8,655.86
  6. Step 6: Final answer
    x = 7,836.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.