Home / 6,450.10-9,665.32-2,938.12

Finding the Fourth Proportional to 6,450.10, 9,665.32 and 2,938.12

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Solution

The fourth proportional to 6,450.10, 9,665.32 and 2,938.12 is: 4,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.10 : 9,665.32 = 2,938.12 : x
  2. Step 2: Convert to fraction form
    6,450.10/9,665.32 = 2,938.12/x
  3. Step 3: Cross multiply
    6,450.10x = 9,665.32 × 2,938.12
  4. Step 4: Simplify right side
    6,450.10x = 28,397,870.00
  5. Step 5: Solve for x
    x = 28,397,870.00/6,450.10
  6. Step 6: Final answer
    x = 4,402.70

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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.