Home / 8,245.81-12,370.25-2,703.05

Finding the Fourth Proportional to 8,245.81, 12,370.25 and 2,703.05

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Solution

The fourth proportional to 8,245.81, 12,370.25 and 2,703.05 is: 4,055.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.81 : 12,370.25 = 2,703.05 : x
  2. Step 2: Convert to fraction form
    8,245.81/12,370.25 = 2,703.05/x
  3. Step 3: Cross multiply
    8,245.81x = 12,370.25 × 2,703.05
  4. Step 4: Simplify right side
    8,245.81x = 33,437,404.26
  5. Step 5: Solve for x
    x = 33,437,404.26/8,245.81
  6. Step 6: Final answer
    x = 4,055.08

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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.