Home / 6,626.21-9,145.91-4,106.88

Finding the Fourth Proportional to 6,626.21, 9,145.91 and 4,106.88

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Solution

The fourth proportional to 6,626.21, 9,145.91 and 4,106.88 is: 5,668.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.21 : 9,145.91 = 4,106.88 : x
  2. Step 2: Convert to fraction form
    6,626.21/9,145.91 = 4,106.88/x
  3. Step 3: Cross multiply
    6,626.21x = 9,145.91 × 4,106.88
  4. Step 4: Simplify right side
    6,626.21x = 37,561,154.86
  5. Step 5: Solve for x
    x = 37,561,154.86/6,626.21
  6. Step 6: Final answer
    x = 5,668.57

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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.