Home / 4,117.80-5,664.63-3,611.37

Finding the Fourth Proportional to 4,117.80, 5,664.63 and 3,611.37

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Solution

The fourth proportional to 4,117.80, 5,664.63 and 3,611.37 is: 4,967.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.80 : 5,664.63 = 3,611.37 : x
  2. Step 2: Convert to fraction form
    4,117.80/5,664.63 = 3,611.37/x
  3. Step 3: Cross multiply
    4,117.80x = 5,664.63 × 3,611.37
  4. Step 4: Simplify right side
    4,117.80x = 20,457,074.84
  5. Step 5: Solve for x
    x = 20,457,074.84/4,117.80
  6. Step 6: Final answer
    x = 4,967.96

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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.