Home / 8,702.89-13,036.78-4,016.39

Finding the Fourth Proportional to 8,702.89, 13,036.78 and 4,016.39

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Solution

The fourth proportional to 8,702.89, 13,036.78 and 4,016.39 is: 6,016.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702.89 : 13,036.78 = 4,016.39 : x
  2. Step 2: Convert to fraction form
    8,702.89/13,036.78 = 4,016.39/x
  3. Step 3: Cross multiply
    8,702.89x = 13,036.78 × 4,016.39
  4. Step 4: Simplify right side
    8,702.89x = 52,360,707.56
  5. Step 5: Solve for x
    x = 52,360,707.56/8,702.89
  6. Step 6: Final answer
    x = 6,016.47

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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.