Home / 6,420.28-9,633.47-4,448.94

Finding the Fourth Proportional to 6,420.28, 9,633.47 and 4,448.94

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Solution

The fourth proportional to 6,420.28, 9,633.47 and 4,448.94 is: 6,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420.28 : 9,633.47 = 4,448.94 : x
  2. Step 2: Convert to fraction form
    6,420.28/9,633.47 = 4,448.94/x
  3. Step 3: Cross multiply
    6,420.28x = 9,633.47 × 4,448.94
  4. Step 4: Simplify right side
    6,420.28x = 42,858,765.23
  5. Step 5: Solve for x
    x = 42,858,765.23/6,420.28
  6. Step 6: Final answer
    x = 6,675.53

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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.