Home / 8,683.50-11,985.39-4,959.66

Finding the Fourth Proportional to 8,683.50, 11,985.39 and 4,959.66

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Solution

The fourth proportional to 8,683.50, 11,985.39 and 4,959.66 is: 6,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.50 : 11,985.39 = 4,959.66 : x
  2. Step 2: Convert to fraction form
    8,683.50/11,985.39 = 4,959.66/x
  3. Step 3: Cross multiply
    8,683.50x = 11,985.39 × 4,959.66
  4. Step 4: Simplify right side
    8,683.50x = 59,443,459.37
  5. Step 5: Solve for x
    x = 59,443,459.37/8,683.50
  6. Step 6: Final answer
    x = 6,845.56

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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.