Home / 5,611.08-7,744.68-3,821.52

Finding the Fourth Proportional to 5,611.08, 7,744.68 and 3,821.52

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Solution

The fourth proportional to 5,611.08, 7,744.68 and 3,821.52 is: 5,274.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.08 : 7,744.68 = 3,821.52 : x
  2. Step 2: Convert to fraction form
    5,611.08/7,744.68 = 3,821.52/x
  3. Step 3: Cross multiply
    5,611.08x = 7,744.68 × 3,821.52
  4. Step 4: Simplify right side
    5,611.08x = 29,596,449.51
  5. Step 5: Solve for x
    x = 29,596,449.51/5,611.08
  6. Step 6: Final answer
    x = 5,274.64

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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.