Home / 5,741.15-8,611.72-1,581.60

Finding the Fourth Proportional to 5,741.15, 8,611.72 and 1,581.60

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Solution

The fourth proportional to 5,741.15, 8,611.72 and 1,581.60 is: 2,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,741.15 : 8,611.72 = 1,581.60 : x
  2. Step 2: Convert to fraction form
    5,741.15/8,611.72 = 1,581.60/x
  3. Step 3: Cross multiply
    5,741.15x = 8,611.72 × 1,581.60
  4. Step 4: Simplify right side
    5,741.15x = 13,620,292.40
  5. Step 5: Solve for x
    x = 13,620,292.40/5,741.15
  6. Step 6: Final answer
    x = 2,372.40

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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.