Home / 8,180.63-12,275.35-3,250.31

Finding the Fourth Proportional to 8,180.63, 12,275.35 and 3,250.31

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Solution

The fourth proportional to 8,180.63, 12,275.35 and 3,250.31 is: 4,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.63 : 12,275.35 = 3,250.31 : x
  2. Step 2: Convert to fraction form
    8,180.63/12,275.35 = 3,250.31/x
  3. Step 3: Cross multiply
    8,180.63x = 12,275.35 × 3,250.31
  4. Step 4: Simplify right side
    8,180.63x = 39,898,692.40
  5. Step 5: Solve for x
    x = 39,898,692.40/8,180.63
  6. Step 6: Final answer
    x = 4,877.22

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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.