Home / 8,442.32-12,669.12-3,511.94

Finding the Fourth Proportional to 8,442.32, 12,669.12 and 3,511.94

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Solution

The fourth proportional to 8,442.32, 12,669.12 and 3,511.94 is: 5,270.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.32 : 12,669.12 = 3,511.94 : x
  2. Step 2: Convert to fraction form
    8,442.32/12,669.12 = 3,511.94/x
  3. Step 3: Cross multiply
    8,442.32x = 12,669.12 × 3,511.94
  4. Step 4: Simplify right side
    8,442.32x = 44,493,125.95
  5. Step 5: Solve for x
    x = 44,493,125.95/8,442.32
  6. Step 6: Final answer
    x = 5,270.25

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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.