Home / 6,464.23-8,920.35-3,950.54

Finding the Fourth Proportional to 6,464.23, 8,920.35 and 3,950.54

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Solution

The fourth proportional to 6,464.23, 8,920.35 and 3,950.54 is: 5,451.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464.23 : 8,920.35 = 3,950.54 : x
  2. Step 2: Convert to fraction form
    6,464.23/8,920.35 = 3,950.54/x
  3. Step 3: Cross multiply
    6,464.23x = 8,920.35 × 3,950.54
  4. Step 4: Simplify right side
    6,464.23x = 35,240,189.61
  5. Step 5: Solve for x
    x = 35,240,189.61/6,464.23
  6. Step 6: Final answer
    x = 5,451.57

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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.