Home / 8,702.37-13,052.48-2,858.85

Finding the Fourth Proportional to 8,702.37, 13,052.48 and 2,858.85

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Solution

The fourth proportional to 8,702.37, 13,052.48 and 2,858.85 is: 4,287.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702.37 : 13,052.48 = 2,858.85 : x
  2. Step 2: Convert to fraction form
    8,702.37/13,052.48 = 2,858.85/x
  3. Step 3: Cross multiply
    8,702.37x = 13,052.48 × 2,858.85
  4. Step 4: Simplify right side
    8,702.37x = 37,315,068.15
  5. Step 5: Solve for x
    x = 37,315,068.15/8,702.37
  6. Step 6: Final answer
    x = 4,287.92

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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.