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Finding the Fourth Proportional to 8,710.34, 13,070.26 and 3,779.97

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Solution

The fourth proportional to 8,710.34, 13,070.26 and 3,779.97 is: 5,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.34 : 13,070.26 = 3,779.97 : x
  2. Step 2: Convert to fraction form
    8,710.34/13,070.26 = 3,779.97/x
  3. Step 3: Cross multiply
    8,710.34x = 13,070.26 × 3,779.97
  4. Step 4: Simplify right side
    8,710.34x = 49,405,146.40
  5. Step 5: Solve for x
    x = 49,405,146.40/8,710.34
  6. Step 6: Final answer
    x = 5,672.01

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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.