Home / 6,449.36-8,887.64-4,349.84

Finding the Fourth Proportional to 6,449.36, 8,887.64 and 4,349.84

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Solution

The fourth proportional to 6,449.36, 8,887.64 and 4,349.84 is: 5,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449.36 : 8,887.64 = 4,349.84 : x
  2. Step 2: Convert to fraction form
    6,449.36/8,887.64 = 4,349.84/x
  3. Step 3: Cross multiply
    6,449.36x = 8,887.64 × 4,349.84
  4. Step 4: Simplify right side
    6,449.36x = 38,659,811.98
  5. Step 5: Solve for x
    x = 38,659,811.98/6,449.36
  6. Step 6: Final answer
    x = 5,994.36

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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.