Home / 8,668.08-13,000.74-2,427.42

Finding the Fourth Proportional to 8,668.08, 13,000.74 and 2,427.42

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Solution

The fourth proportional to 8,668.08, 13,000.74 and 2,427.42 is: 3,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.08 : 13,000.74 = 2,427.42 : x
  2. Step 2: Convert to fraction form
    8,668.08/13,000.74 = 2,427.42/x
  3. Step 3: Cross multiply
    8,668.08x = 13,000.74 × 2,427.42
  4. Step 4: Simplify right side
    8,668.08x = 31,558,256.29
  5. Step 5: Solve for x
    x = 31,558,256.29/8,668.08
  6. Step 6: Final answer
    x = 3,640.74

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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.