Home / 8,380.08-12,575.42-4,684.74

Finding the Fourth Proportional to 8,380.08, 12,575.42 and 4,684.74

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Solution

The fourth proportional to 8,380.08, 12,575.42 and 4,684.74 is: 7,030.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.08 : 12,575.42 = 4,684.74 : x
  2. Step 2: Convert to fraction form
    8,380.08/12,575.42 = 4,684.74/x
  3. Step 3: Cross multiply
    8,380.08x = 12,575.42 × 4,684.74
  4. Step 4: Simplify right side
    8,380.08x = 58,912,573.09
  5. Step 5: Solve for x
    x = 58,912,573.09/8,380.08
  6. Step 6: Final answer
    x = 7,030.07

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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.