Home / 8,435.12-12,655.96-3,503.52

Finding the Fourth Proportional to 8,435.12, 12,655.96 and 3,503.52

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Solution

The fourth proportional to 8,435.12, 12,655.96 and 3,503.52 is: 5,256.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.12 : 12,655.96 = 3,503.52 : x
  2. Step 2: Convert to fraction form
    8,435.12/12,655.96 = 3,503.52/x
  3. Step 3: Cross multiply
    8,435.12x = 12,655.96 × 3,503.52
  4. Step 4: Simplify right side
    8,435.12x = 44,340,408.98
  5. Step 5: Solve for x
    x = 44,340,408.98/8,435.12
  6. Step 6: Final answer
    x = 5,256.64

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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.