Home / 8,999.34-13,488.92-3,070.70

Finding the Fourth Proportional to 8,999.34, 13,488.92 and 3,070.70

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Solution

The fourth proportional to 8,999.34, 13,488.92 and 3,070.70 is: 4,602.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.34 : 13,488.92 = 3,070.70 : x
  2. Step 2: Convert to fraction form
    8,999.34/13,488.92 = 3,070.70/x
  3. Step 3: Cross multiply
    8,999.34x = 13,488.92 × 3,070.70
  4. Step 4: Simplify right side
    8,999.34x = 41,420,426.64
  5. Step 5: Solve for x
    x = 41,420,426.64/8,999.34
  6. Step 6: Final answer
    x = 4,602.61

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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.