Home / 5,742.02-8,611.20-1,845.50

Finding the Fourth Proportional to 5,742.02, 8,611.20 and 1,845.50

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Solution

The fourth proportional to 5,742.02, 8,611.20 and 1,845.50 is: 2,767.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.02 : 8,611.20 = 1,845.50 : x
  2. Step 2: Convert to fraction form
    5,742.02/8,611.20 = 1,845.50/x
  3. Step 3: Cross multiply
    5,742.02x = 8,611.20 × 1,845.50
  4. Step 4: Simplify right side
    5,742.02x = 15,891,969.60
  5. Step 5: Solve for x
    x = 15,891,969.60/5,742.02
  6. Step 6: Final answer
    x = 2,767.66

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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.