Home / 8,070.28-12,111.96-4,175.80

Finding the Fourth Proportional to 8,070.28, 12,111.96 and 4,175.80

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Solution

The fourth proportional to 8,070.28, 12,111.96 and 4,175.80 is: 6,267.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.28 : 12,111.96 = 4,175.80 : x
  2. Step 2: Convert to fraction form
    8,070.28/12,111.96 = 4,175.80/x
  3. Step 3: Cross multiply
    8,070.28x = 12,111.96 × 4,175.80
  4. Step 4: Simplify right side
    8,070.28x = 50,577,122.57
  5. Step 5: Solve for x
    x = 50,577,122.57/8,070.28
  6. Step 6: Final answer
    x = 6,267.08

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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.