Home / 8,435.22-12,651.47-3,754.13

Finding the Fourth Proportional to 8,435.22, 12,651.47 and 3,754.13

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Solution

The fourth proportional to 8,435.22, 12,651.47 and 3,754.13 is: 5,630.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.22 : 12,651.47 = 3,754.13 : x
  2. Step 2: Convert to fraction form
    8,435.22/12,651.47 = 3,754.13/x
  3. Step 3: Cross multiply
    8,435.22x = 12,651.47 × 3,754.13
  4. Step 4: Simplify right side
    8,435.22x = 47,495,290.01
  5. Step 5: Solve for x
    x = 47,495,290.01/8,435.22
  6. Step 6: Final answer
    x = 5,630.59

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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.