Home / 5,508.42-8,261.55-1,611.78

Finding the Fourth Proportional to 5,508.42, 8,261.55 and 1,611.78

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Solution

The fourth proportional to 5,508.42, 8,261.55 and 1,611.78 is: 2,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.42 : 8,261.55 = 1,611.78 : x
  2. Step 2: Convert to fraction form
    5,508.42/8,261.55 = 1,611.78/x
  3. Step 3: Cross multiply
    5,508.42x = 8,261.55 × 1,611.78
  4. Step 4: Simplify right side
    5,508.42x = 13,315,801.06
  5. Step 5: Solve for x
    x = 13,315,801.06/5,508.42
  6. Step 6: Final answer
    x = 2,417.35

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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.