Home / 8,031.50-12,047.88-2,188.34

Finding the Fourth Proportional to 8,031.50, 12,047.88 and 2,188.34

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Solution

The fourth proportional to 8,031.50, 12,047.88 and 2,188.34 is: 3,282.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.50 : 12,047.88 = 2,188.34 : x
  2. Step 2: Convert to fraction form
    8,031.50/12,047.88 = 2,188.34/x
  3. Step 3: Cross multiply
    8,031.50x = 12,047.88 × 2,188.34
  4. Step 4: Simplify right side
    8,031.50x = 26,364,857.72
  5. Step 5: Solve for x
    x = 26,364,857.72/8,031.50
  6. Step 6: Final answer
    x = 3,282.68

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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.