Home / 8,170.68-12,254.01-3,783.93

Finding the Fourth Proportional to 8,170.68, 12,254.01 and 3,783.93

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Solution

The fourth proportional to 8,170.68, 12,254.01 and 3,783.93 is: 5,674.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.68 : 12,254.01 = 3,783.93 : x
  2. Step 2: Convert to fraction form
    8,170.68/12,254.01 = 3,783.93/x
  3. Step 3: Cross multiply
    8,170.68x = 12,254.01 × 3,783.93
  4. Step 4: Simplify right side
    8,170.68x = 46,368,316.06
  5. Step 5: Solve for x
    x = 46,368,316.06/8,170.68
  6. Step 6: Final answer
    x = 5,674.96

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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.