Home / 4,639.65-6,395.45-3,516.09

Finding the Fourth Proportional to 4,639.65, 6,395.45 and 3,516.09

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Solution

The fourth proportional to 4,639.65, 6,395.45 and 3,516.09 is: 4,846.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.65 : 6,395.45 = 3,516.09 : x
  2. Step 2: Convert to fraction form
    4,639.65/6,395.45 = 3,516.09/x
  3. Step 3: Cross multiply
    4,639.65x = 6,395.45 × 3,516.09
  4. Step 4: Simplify right side
    4,639.65x = 22,486,960.21
  5. Step 5: Solve for x
    x = 22,486,960.21/4,639.65
  6. Step 6: Final answer
    x = 4,846.69

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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.