Home / 8,261.58-12,390.08-2,714.34

Finding the Fourth Proportional to 8,261.58, 12,390.08 and 2,714.34

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Solution

The fourth proportional to 8,261.58, 12,390.08 and 2,714.34 is: 4,070.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.58 : 12,390.08 = 2,714.34 : x
  2. Step 2: Convert to fraction form
    8,261.58/12,390.08 = 2,714.34/x
  3. Step 3: Cross multiply
    8,261.58x = 12,390.08 × 2,714.34
  4. Step 4: Simplify right side
    8,261.58x = 33,630,889.75
  5. Step 5: Solve for x
    x = 33,630,889.75/8,261.58
  6. Step 6: Final answer
    x = 4,070.76

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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.