Home / 8,216.61-12,326.03-2,668.16

Finding the Fourth Proportional to 8,216.61, 12,326.03 and 2,668.16

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Solution

The fourth proportional to 8,216.61, 12,326.03 and 2,668.16 is: 4,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.61 : 12,326.03 = 2,668.16 : x
  2. Step 2: Convert to fraction form
    8,216.61/12,326.03 = 2,668.16/x
  3. Step 3: Cross multiply
    8,216.61x = 12,326.03 × 2,668.16
  4. Step 4: Simplify right side
    8,216.61x = 32,887,820.20
  5. Step 5: Solve for x
    x = 32,887,820.20/8,216.61
  6. Step 6: Final answer
    x = 4,002.60

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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.