Home / 6,450.30-9,686.49-3,966.07

Finding the Fourth Proportional to 6,450.30, 9,686.49 and 3,966.07

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Solution

The fourth proportional to 6,450.30, 9,686.49 and 3,966.07 is: 5,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.30 : 9,686.49 = 3,966.07 : x
  2. Step 2: Convert to fraction form
    6,450.30/9,686.49 = 3,966.07/x
  3. Step 3: Cross multiply
    6,450.30x = 9,686.49 × 3,966.07
  4. Step 4: Simplify right side
    6,450.30x = 38,417,297.39
  5. Step 5: Solve for x
    x = 38,417,297.39/6,450.30
  6. Step 6: Final answer
    x = 5,955.89

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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.