Home / 5,140.21-7,703.02-3,756.73

Finding the Fourth Proportional to 5,140.21, 7,703.02 and 3,756.73

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Solution

The fourth proportional to 5,140.21, 7,703.02 and 3,756.73 is: 5,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.21 : 7,703.02 = 3,756.73 : x
  2. Step 2: Convert to fraction form
    5,140.21/7,703.02 = 3,756.73/x
  3. Step 3: Cross multiply
    5,140.21x = 7,703.02 × 3,756.73
  4. Step 4: Simplify right side
    5,140.21x = 28,938,166.32
  5. Step 5: Solve for x
    x = 28,938,166.32/5,140.21
  6. Step 6: Final answer
    x = 5,629.76

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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.