Home / 8,125.41-12,185.70-3,445.35

Finding the Fourth Proportional to 8,125.41, 12,185.70 and 3,445.35

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Solution

The fourth proportional to 8,125.41, 12,185.70 and 3,445.35 is: 5,167.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.41 : 12,185.70 = 3,445.35 : x
  2. Step 2: Convert to fraction form
    8,125.41/12,185.70 = 3,445.35/x
  3. Step 3: Cross multiply
    8,125.41x = 12,185.70 × 3,445.35
  4. Step 4: Simplify right side
    8,125.41x = 41,984,001.50
  5. Step 5: Solve for x
    x = 41,984,001.50/8,125.41
  6. Step 6: Final answer
    x = 5,167.00

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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.