Home / 8,254.34-12,380.63-2,331.08

Finding the Fourth Proportional to 8,254.34, 12,380.63 and 2,331.08

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Solution

The fourth proportional to 8,254.34, 12,380.63 and 2,331.08 is: 3,496.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.34 : 12,380.63 = 2,331.08 : x
  2. Step 2: Convert to fraction form
    8,254.34/12,380.63 = 2,331.08/x
  3. Step 3: Cross multiply
    8,254.34x = 12,380.63 × 2,331.08
  4. Step 4: Simplify right side
    8,254.34x = 28,860,165.42
  5. Step 5: Solve for x
    x = 28,860,165.42/8,254.34
  6. Step 6: Final answer
    x = 3,496.36

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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.