Home / 4,342.86-6,505.57-1,999.60

Finding the Fourth Proportional to 4,342.86, 6,505.57 and 1,999.60

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Solution

The fourth proportional to 4,342.86, 6,505.57 and 1,999.60 is: 2,995.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.86 : 6,505.57 = 1,999.60 : x
  2. Step 2: Convert to fraction form
    4,342.86/6,505.57 = 1,999.60/x
  3. Step 3: Cross multiply
    4,342.86x = 6,505.57 × 1,999.60
  4. Step 4: Simplify right side
    4,342.86x = 13,008,537.77
  5. Step 5: Solve for x
    x = 13,008,537.77/4,342.86
  6. Step 6: Final answer
    x = 2,995.39

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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.