Home / 4,672.12-7,012.26-1,900.30

Finding the Fourth Proportional to 4,672.12, 7,012.26 and 1,900.30

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Solution

The fourth proportional to 4,672.12, 7,012.26 and 1,900.30 is: 2,852.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.12 : 7,012.26 = 1,900.30 : x
  2. Step 2: Convert to fraction form
    4,672.12/7,012.26 = 1,900.30/x
  3. Step 3: Cross multiply
    4,672.12x = 7,012.26 × 1,900.30
  4. Step 4: Simplify right side
    4,672.12x = 13,325,397.68
  5. Step 5: Solve for x
    x = 13,325,397.68/4,672.12
  6. Step 6: Final answer
    x = 2,852.11

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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.