Home / 8,840.98-12,201.87-5,305.06

Finding the Fourth Proportional to 8,840.98, 12,201.87 and 5,305.06

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Solution

The fourth proportional to 8,840.98, 12,201.87 and 5,305.06 is: 7,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.98 : 12,201.87 = 5,305.06 : x
  2. Step 2: Convert to fraction form
    8,840.98/12,201.87 = 5,305.06/x
  3. Step 3: Cross multiply
    8,840.98x = 12,201.87 × 5,305.06
  4. Step 4: Simplify right side
    8,840.98x = 64,731,652.46
  5. Step 5: Solve for x
    x = 64,731,652.46/8,840.98
  6. Step 6: Final answer
    x = 7,321.77

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1.5x scale

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.