Home / 4,420.50-6,628.32-3,934.50

Finding the Fourth Proportional to 4,420.50, 6,628.32 and 3,934.50

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Solution

The fourth proportional to 4,420.50, 6,628.32 and 3,934.50 is: 5,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.50 : 6,628.32 = 3,934.50 : x
  2. Step 2: Convert to fraction form
    4,420.50/6,628.32 = 3,934.50/x
  3. Step 3: Cross multiply
    4,420.50x = 6,628.32 × 3,934.50
  4. Step 4: Simplify right side
    4,420.50x = 26,079,125.04
  5. Step 5: Solve for x
    x = 26,079,125.04/4,420.50
  6. Step 6: Final answer
    x = 5,899.59

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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.