Home / 6,180.50-8,529.10-3,386

Finding the Fourth Proportional to 6,180.50, 8,529.10 and 3,386

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Solution

The fourth proportional to 6,180.50, 8,529.10 and 3,386 is: 4,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.50 : 8,529.10 = 3,386 : x
  2. Step 2: Convert to fraction form
    6,180.50/8,529.10 = 3,386/x
  3. Step 3: Cross multiply
    6,180.50x = 8,529.10 × 3,386
  4. Step 4: Simplify right side
    6,180.50x = 28,879,532.60
  5. Step 5: Solve for x
    x = 28,879,532.60/6,180.50
  6. Step 6: Final answer
    x = 4,672.69

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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.