Home / 8,051.08-12,070.86-3,431.56

Finding the Fourth Proportional to 8,051.08, 12,070.86 and 3,431.56

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Solution

The fourth proportional to 8,051.08, 12,070.86 and 3,431.56 is: 5,144.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.08 : 12,070.86 = 3,431.56 : x
  2. Step 2: Convert to fraction form
    8,051.08/12,070.86 = 3,431.56/x
  3. Step 3: Cross multiply
    8,051.08x = 12,070.86 × 3,431.56
  4. Step 4: Simplify right side
    8,051.08x = 41,421,880.34
  5. Step 5: Solve for x
    x = 41,421,880.34/8,051.08
  6. Step 6: Final answer
    x = 5,144.88

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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.