Home / 8,440.27-12,668.35-4,283.26

Finding the Fourth Proportional to 8,440.27, 12,668.35 and 4,283.26

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Solution

The fourth proportional to 8,440.27, 12,668.35 and 4,283.26 is: 6,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.27 : 12,668.35 = 4,283.26 : x
  2. Step 2: Convert to fraction form
    8,440.27/12,668.35 = 4,283.26/x
  3. Step 3: Cross multiply
    8,440.27x = 12,668.35 × 4,283.26
  4. Step 4: Simplify right side
    8,440.27x = 54,261,836.82
  5. Step 5: Solve for x
    x = 54,261,836.82/8,440.27
  6. Step 6: Final answer
    x = 6,428.92

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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.