Home / 4,818.65-6,650.85-3,137.13

Finding the Fourth Proportional to 4,818.65, 6,650.85 and 3,137.13

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Solution

The fourth proportional to 4,818.65, 6,650.85 and 3,137.13 is: 4,329.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.65 : 6,650.85 = 3,137.13 : x
  2. Step 2: Convert to fraction form
    4,818.65/6,650.85 = 3,137.13/x
  3. Step 3: Cross multiply
    4,818.65x = 6,650.85 × 3,137.13
  4. Step 4: Simplify right side
    4,818.65x = 20,864,532.12
  5. Step 5: Solve for x
    x = 20,864,532.12/4,818.65
  6. Step 6: Final answer
    x = 4,329.96

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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.