Home / 6,639.67-9,166.04-4,660.73

Finding the Fourth Proportional to 6,639.67, 9,166.04 and 4,660.73

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Solution

The fourth proportional to 6,639.67, 9,166.04 and 4,660.73 is: 6,434.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.67 : 9,166.04 = 4,660.73 : x
  2. Step 2: Convert to fraction form
    6,639.67/9,166.04 = 4,660.73/x
  3. Step 3: Cross multiply
    6,639.67x = 9,166.04 × 4,660.73
  4. Step 4: Simplify right side
    6,639.67x = 42,720,437.61
  5. Step 5: Solve for x
    x = 42,720,437.61/6,639.67
  6. Step 6: Final answer
    x = 6,434.12

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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.