Home / 6,450.12-9,671.31-3,116.34

Finding the Fourth Proportional to 6,450.12, 9,671.31 and 3,116.34

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Solution

The fourth proportional to 6,450.12, 9,671.31 and 3,116.34 is: 4,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.12 : 9,671.31 = 3,116.34 : x
  2. Step 2: Convert to fraction form
    6,450.12/9,671.31 = 3,116.34/x
  3. Step 3: Cross multiply
    6,450.12x = 9,671.31 × 3,116.34
  4. Step 4: Simplify right side
    6,450.12x = 30,139,090.21
  5. Step 5: Solve for x
    x = 30,139,090.21/6,450.12
  6. Step 6: Final answer
    x = 4,672.64

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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.