Home / 8,946.20-13,418.88-4,262.80

Finding the Fourth Proportional to 8,946.20, 13,418.88 and 4,262.80

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Solution

The fourth proportional to 8,946.20, 13,418.88 and 4,262.80 is: 6,394.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.20 : 13,418.88 = 4,262.80 : x
  2. Step 2: Convert to fraction form
    8,946.20/13,418.88 = 4,262.80/x
  3. Step 3: Cross multiply
    8,946.20x = 13,418.88 × 4,262.80
  4. Step 4: Simplify right side
    8,946.20x = 57,202,001.66
  5. Step 5: Solve for x
    x = 57,202,001.66/8,946.20
  6. Step 6: Final answer
    x = 6,394.00

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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.