Home / 8,247.40-12,372.93-4,089.67

Finding the Fourth Proportional to 8,247.40, 12,372.93 and 4,089.67

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Solution

The fourth proportional to 8,247.40, 12,372.93 and 4,089.67 is: 6,135.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.40 : 12,372.93 = 4,089.67 : x
  2. Step 2: Convert to fraction form
    8,247.40/12,372.93 = 4,089.67/x
  3. Step 3: Cross multiply
    8,247.40x = 12,372.93 × 4,089.67
  4. Step 4: Simplify right side
    8,247.40x = 50,601,200.63
  5. Step 5: Solve for x
    x = 50,601,200.63/8,247.40
  6. Step 6: Final answer
    x = 6,135.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.