Home / 8,305.50-12,461.37-3,376.38

Finding the Fourth Proportional to 8,305.50, 12,461.37 and 3,376.38

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Solution

The fourth proportional to 8,305.50, 12,461.37 and 3,376.38 is: 5,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.50 : 12,461.37 = 3,376.38 : x
  2. Step 2: Convert to fraction form
    8,305.50/12,461.37 = 3,376.38/x
  3. Step 3: Cross multiply
    8,305.50x = 12,461.37 × 3,376.38
  4. Step 4: Simplify right side
    8,305.50x = 42,074,320.44
  5. Step 5: Solve for x
    x = 42,074,320.44/8,305.50
  6. Step 6: Final answer
    x = 5,065.84

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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.