Home / 4,576.91-6,315.80-3,086.85

Finding the Fourth Proportional to 4,576.91, 6,315.80 and 3,086.85

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Solution

The fourth proportional to 4,576.91, 6,315.80 and 3,086.85 is: 4,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576.91 : 6,315.80 = 3,086.85 : x
  2. Step 2: Convert to fraction form
    4,576.91/6,315.80 = 3,086.85/x
  3. Step 3: Cross multiply
    4,576.91x = 6,315.80 × 3,086.85
  4. Step 4: Simplify right side
    4,576.91x = 19,495,911.80
  5. Step 5: Solve for x
    x = 19,495,911.80/4,576.91
  6. Step 6: Final answer
    x = 4,259.62

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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.