Home / 4,628.69-6,387.13-2,639.14

Finding the Fourth Proportional to 4,628.69, 6,387.13 and 2,639.14

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Solution

The fourth proportional to 4,628.69, 6,387.13 and 2,639.14 is: 3,641.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.69 : 6,387.13 = 2,639.14 : x
  2. Step 2: Convert to fraction form
    4,628.69/6,387.13 = 2,639.14/x
  3. Step 3: Cross multiply
    4,628.69x = 6,387.13 × 2,639.14
  4. Step 4: Simplify right side
    4,628.69x = 16,856,485.14
  5. Step 5: Solve for x
    x = 16,856,485.14/4,628.69
  6. Step 6: Final answer
    x = 3,641.74

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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.