Home / 5,140.02-7,704.57-2,672.37

Finding the Fourth Proportional to 5,140.02, 7,704.57 and 2,672.37

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Solution

The fourth proportional to 5,140.02, 7,704.57 and 2,672.37 is: 4,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.02 : 7,704.57 = 2,672.37 : x
  2. Step 2: Convert to fraction form
    5,140.02/7,704.57 = 2,672.37/x
  3. Step 3: Cross multiply
    5,140.02x = 7,704.57 × 2,672.37
  4. Step 4: Simplify right side
    5,140.02x = 20,589,461.73
  5. Step 5: Solve for x
    x = 20,589,461.73/5,140.02
  6. Step 6: Final answer
    x = 4,005.72

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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.