Home / 6,435.73-8,885.32-4,940.67

Finding the Fourth Proportional to 6,435.73, 8,885.32 and 4,940.67

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Solution

The fourth proportional to 6,435.73, 8,885.32 and 4,940.67 is: 6,821.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.73 : 8,885.32 = 4,940.67 : x
  2. Step 2: Convert to fraction form
    6,435.73/8,885.32 = 4,940.67/x
  3. Step 3: Cross multiply
    6,435.73x = 8,885.32 × 4,940.67
  4. Step 4: Simplify right side
    6,435.73x = 43,899,433.96
  5. Step 5: Solve for x
    x = 43,899,433.96/6,435.73
  6. Step 6: Final answer
    x = 6,821.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.