Home / 6,246.45-8,621.91-4,123.53

Finding the Fourth Proportional to 6,246.45, 8,621.91 and 4,123.53

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Solution

The fourth proportional to 6,246.45, 8,621.91 and 4,123.53 is: 5,691.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.45 : 8,621.91 = 4,123.53 : x
  2. Step 2: Convert to fraction form
    6,246.45/8,621.91 = 4,123.53/x
  3. Step 3: Cross multiply
    6,246.45x = 8,621.91 × 4,123.53
  4. Step 4: Simplify right side
    6,246.45x = 35,552,704.54
  5. Step 5: Solve for x
    x = 35,552,704.54/6,246.45
  6. Step 6: Final answer
    x = 5,691.67

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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.