Home / 8,668.10-13,002.75-4,284.38

Finding the Fourth Proportional to 8,668.10, 13,002.75 and 4,284.38

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Solution

The fourth proportional to 8,668.10, 13,002.75 and 4,284.38 is: 6,426.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.10 : 13,002.75 = 4,284.38 : x
  2. Step 2: Convert to fraction form
    8,668.10/13,002.75 = 4,284.38/x
  3. Step 3: Cross multiply
    8,668.10x = 13,002.75 × 4,284.38
  4. Step 4: Simplify right side
    8,668.10x = 55,708,657.03
  5. Step 5: Solve for x
    x = 55,708,657.03/8,668.10
  6. Step 6: Final answer
    x = 6,426.86

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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.