Home / 8,540.16-12,809.28-2,300.63

Finding the Fourth Proportional to 8,540.16, 12,809.28 and 2,300.63

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Solution

The fourth proportional to 8,540.16, 12,809.28 and 2,300.63 is: 3,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.16 : 12,809.28 = 2,300.63 : x
  2. Step 2: Convert to fraction form
    8,540.16/12,809.28 = 2,300.63/x
  3. Step 3: Cross multiply
    8,540.16x = 12,809.28 × 2,300.63
  4. Step 4: Simplify right side
    8,540.16x = 29,469,402.34
  5. Step 5: Solve for x
    x = 29,469,402.34/8,540.16
  6. Step 6: Final answer
    x = 3,450.69

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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.