Home / 6,651.40-9,176.35-3,817.75

Finding the Fourth Proportional to 6,651.40, 9,176.35 and 3,817.75

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Solution

The fourth proportional to 6,651.40, 9,176.35 and 3,817.75 is: 5,267.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.40 : 9,176.35 = 3,817.75 : x
  2. Step 2: Convert to fraction form
    6,651.40/9,176.35 = 3,817.75/x
  3. Step 3: Cross multiply
    6,651.40x = 9,176.35 × 3,817.75
  4. Step 4: Simplify right side
    6,651.40x = 35,033,010.21
  5. Step 5: Solve for x
    x = 35,033,010.21/6,651.40
  6. Step 6: Final answer
    x = 5,267.01

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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.