Home / 5,611.04-7,741.68-3,621.68

Finding the Fourth Proportional to 5,611.04, 7,741.68 and 3,621.68

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Solution

The fourth proportional to 5,611.04, 7,741.68 and 3,621.68 is: 4,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.04 : 7,741.68 = 3,621.68 : x
  2. Step 2: Convert to fraction form
    5,611.04/7,741.68 = 3,621.68/x
  3. Step 3: Cross multiply
    5,611.04x = 7,741.68 × 3,621.68
  4. Step 4: Simplify right side
    5,611.04x = 28,037,887.62
  5. Step 5: Solve for x
    x = 28,037,887.62/5,611.04
  6. Step 6: Final answer
    x = 4,996.91

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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.