Home / 4,658.73-6,426.78-2,890.91

Finding the Fourth Proportional to 4,658.73, 6,426.78 and 2,890.91

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Solution

The fourth proportional to 4,658.73, 6,426.78 and 2,890.91 is: 3,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.73 : 6,426.78 = 2,890.91 : x
  2. Step 2: Convert to fraction form
    4,658.73/6,426.78 = 2,890.91/x
  3. Step 3: Cross multiply
    4,658.73x = 6,426.78 × 2,890.91
  4. Step 4: Simplify right side
    4,658.73x = 18,579,210.44
  5. Step 5: Solve for x
    x = 18,579,210.44/4,658.73
  6. Step 6: Final answer
    x = 3,988.04

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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.