Home / 8,145.19-12,216.70-2,302.26

Finding the Fourth Proportional to 8,145.19, 12,216.70 and 2,302.26

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Solution

The fourth proportional to 8,145.19, 12,216.70 and 2,302.26 is: 3,453.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.19 : 12,216.70 = 2,302.26 : x
  2. Step 2: Convert to fraction form
    8,145.19/12,216.70 = 2,302.26/x
  3. Step 3: Cross multiply
    8,145.19x = 12,216.70 × 2,302.26
  4. Step 4: Simplify right side
    8,145.19x = 28,126,019.74
  5. Step 5: Solve for x
    x = 28,126,019.74/8,145.19
  6. Step 6: Final answer
    x = 3,453.08

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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.