Home / 6,140.28-8,474.69-3,622.24

Finding the Fourth Proportional to 6,140.28, 8,474.69 and 3,622.24

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Solution

The fourth proportional to 6,140.28, 8,474.69 and 3,622.24 is: 4,999.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.28 : 8,474.69 = 3,622.24 : x
  2. Step 2: Convert to fraction form
    6,140.28/8,474.69 = 3,622.24/x
  3. Step 3: Cross multiply
    6,140.28x = 8,474.69 × 3,622.24
  4. Step 4: Simplify right side
    6,140.28x = 30,697,361.11
  5. Step 5: Solve for x
    x = 30,697,361.11/6,140.28
  6. Step 6: Final answer
    x = 4,999.34

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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.