Home / 6,639.30-9,166.77-4,252.77

Finding the Fourth Proportional to 6,639.30, 9,166.77 and 4,252.77

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Solution

The fourth proportional to 6,639.30, 9,166.77 and 4,252.77 is: 5,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.30 : 9,166.77 = 4,252.77 : x
  2. Step 2: Convert to fraction form
    6,639.30/9,166.77 = 4,252.77/x
  3. Step 3: Cross multiply
    6,639.30x = 9,166.77 × 4,252.77
  4. Step 4: Simplify right side
    6,639.30x = 38,984,164.45
  5. Step 5: Solve for x
    x = 38,984,164.45/6,639.30
  6. Step 6: Final answer
    x = 5,871.73

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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.