Home / 6,651.26-9,178.74-4,000.21

Finding the Fourth Proportional to 6,651.26, 9,178.74 and 4,000.21

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Solution

The fourth proportional to 6,651.26, 9,178.74 and 4,000.21 is: 5,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.26 : 9,178.74 = 4,000.21 : x
  2. Step 2: Convert to fraction form
    6,651.26/9,178.74 = 4,000.21/x
  3. Step 3: Cross multiply
    6,651.26x = 9,178.74 × 4,000.21
  4. Step 4: Simplify right side
    6,651.26x = 36,716,864.59
  5. Step 5: Solve for x
    x = 36,716,864.59/6,651.26
  6. Step 6: Final answer
    x = 5,520.28

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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.