Home / 6,419.94-9,628.23-2,720.27

Finding the Fourth Proportional to 6,419.94, 9,628.23 and 2,720.27

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Solution

The fourth proportional to 6,419.94, 9,628.23 and 2,720.27 is: 4,079.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.94 : 9,628.23 = 2,720.27 : x
  2. Step 2: Convert to fraction form
    6,419.94/9,628.23 = 2,720.27/x
  3. Step 3: Cross multiply
    6,419.94x = 9,628.23 × 2,720.27
  4. Step 4: Simplify right side
    6,419.94x = 26,191,337.08
  5. Step 5: Solve for x
    x = 26,191,337.08/6,419.94
  6. Step 6: Final answer
    x = 4,079.69

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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.