Home / 5,705.64-8,560.70-1,810.60

Finding the Fourth Proportional to 5,705.64, 8,560.70 and 1,810.60

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Solution

The fourth proportional to 5,705.64, 8,560.70 and 1,810.60 is: 2,716.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.64 : 8,560.70 = 1,810.60 : x
  2. Step 2: Convert to fraction form
    5,705.64/8,560.70 = 1,810.60/x
  3. Step 3: Cross multiply
    5,705.64x = 8,560.70 × 1,810.60
  4. Step 4: Simplify right side
    5,705.64x = 15,500,003.42
  5. Step 5: Solve for x
    x = 15,500,003.42/5,705.64
  6. Step 6: Final answer
    x = 2,716.61

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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.