Home / 4,074.47-5,621.06-2,745.87

Finding the Fourth Proportional to 4,074.47, 5,621.06 and 2,745.87

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Solution

The fourth proportional to 4,074.47, 5,621.06 and 2,745.87 is: 3,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.47 : 5,621.06 = 2,745.87 : x
  2. Step 2: Convert to fraction form
    4,074.47/5,621.06 = 2,745.87/x
  3. Step 3: Cross multiply
    4,074.47x = 5,621.06 × 2,745.87
  4. Step 4: Simplify right side
    4,074.47x = 15,434,685.81
  5. Step 5: Solve for x
    x = 15,434,685.81/4,074.47
  6. Step 6: Final answer
    x = 3,788.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.