Home / 8,288.29-11,435.87-4,702.45

Finding the Fourth Proportional to 8,288.29, 11,435.87 and 4,702.45

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Solution

The fourth proportional to 8,288.29, 11,435.87 and 4,702.45 is: 6,488.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.29 : 11,435.87 = 4,702.45 : x
  2. Step 2: Convert to fraction form
    8,288.29/11,435.87 = 4,702.45/x
  3. Step 3: Cross multiply
    8,288.29x = 11,435.87 × 4,702.45
  4. Step 4: Simplify right side
    8,288.29x = 53,776,611.49
  5. Step 5: Solve for x
    x = 53,776,611.49/8,288.29
  6. Step 6: Final answer
    x = 6,488.27

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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.