Home / 6,440.42-9,660.08-2,977.68

Finding the Fourth Proportional to 6,440.42, 9,660.08 and 2,977.68

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Solution

The fourth proportional to 6,440.42, 9,660.08 and 2,977.68 is: 4,466.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.42 : 9,660.08 = 2,977.68 : x
  2. Step 2: Convert to fraction form
    6,440.42/9,660.08 = 2,977.68/x
  3. Step 3: Cross multiply
    6,440.42x = 9,660.08 × 2,977.68
  4. Step 4: Simplify right side
    6,440.42x = 28,764,627.01
  5. Step 5: Solve for x
    x = 28,764,627.01/6,440.42
  6. Step 6: Final answer
    x = 4,466.27

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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.