Home / 8,070.66-11,137.50-4,485.60

Finding the Fourth Proportional to 8,070.66, 11,137.50 and 4,485.60

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Solution

The fourth proportional to 8,070.66, 11,137.50 and 4,485.60 is: 6,190.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.66 : 11,137.50 = 4,485.60 : x
  2. Step 2: Convert to fraction form
    8,070.66/11,137.50 = 4,485.60/x
  3. Step 3: Cross multiply
    8,070.66x = 11,137.50 × 4,485.60
  4. Step 4: Simplify right side
    8,070.66x = 49,958,370.00
  5. Step 5: Solve for x
    x = 49,958,370.00/8,070.66
  6. Step 6: Final answer
    x = 6,190.12

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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.