Home / 6,439.19-9,660.27-2,056.64

Finding the Fourth Proportional to 6,439.19, 9,660.27 and 2,056.64

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Solution

The fourth proportional to 6,439.19, 9,660.27 and 2,056.64 is: 3,085.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.19 : 9,660.27 = 2,056.64 : x
  2. Step 2: Convert to fraction form
    6,439.19/9,660.27 = 2,056.64/x
  3. Step 3: Cross multiply
    6,439.19x = 9,660.27 × 2,056.64
  4. Step 4: Simplify right side
    6,439.19x = 19,867,697.69
  5. Step 5: Solve for x
    x = 19,867,697.69/6,439.19
  6. Step 6: Final answer
    x = 3,085.43

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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.