Home / 6,219.92-8,583.47-3,387.45

Finding the Fourth Proportional to 6,219.92, 8,583.47 and 3,387.45

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Solution

The fourth proportional to 6,219.92, 8,583.47 and 3,387.45 is: 4,674.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.92 : 8,583.47 = 3,387.45 : x
  2. Step 2: Convert to fraction form
    6,219.92/8,583.47 = 3,387.45/x
  3. Step 3: Cross multiply
    6,219.92x = 8,583.47 × 3,387.45
  4. Step 4: Simplify right side
    6,219.92x = 29,076,103.41
  5. Step 5: Solve for x
    x = 29,076,103.41/6,219.92
  6. Step 6: Final answer
    x = 4,674.67

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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.