Home / 8,923.86-13,385.46-4,247.22

Finding the Fourth Proportional to 8,923.86, 13,385.46 and 4,247.22

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Solution

The fourth proportional to 8,923.86, 13,385.46 and 4,247.22 is: 6,370.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.86 : 13,385.46 = 4,247.22 : x
  2. Step 2: Convert to fraction form
    8,923.86/13,385.46 = 4,247.22/x
  3. Step 3: Cross multiply
    8,923.86x = 13,385.46 × 4,247.22
  4. Step 4: Simplify right side
    8,923.86x = 56,850,993.42
  5. Step 5: Solve for x
    x = 56,850,993.42/8,923.86
  6. Step 6: Final answer
    x = 6,370.67

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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.