Home / 11,160.56-16,740.57-2,840.58

Finding the Fourth Proportional to 11,160.56, 16,740.57 and 2,840.58

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Solution

The fourth proportional to 11,160.56, 16,740.57 and 2,840.58 is: 4,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.56 : 16,740.57 = 2,840.58 : x
  2. Step 2: Convert to fraction form
    11,160.56/16,740.57 = 2,840.58/x
  3. Step 3: Cross multiply
    11,160.56x = 16,740.57 × 2,840.58
  4. Step 4: Simplify right side
    11,160.56x = 47,552,914.13
  5. Step 5: Solve for x
    x = 47,552,914.13/11,160.56
  6. Step 6: Final answer
    x = 4,260.80

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1.5x scale

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.