Home / 8,108.79-11,191.21-4,752.93

Finding the Fourth Proportional to 8,108.79, 11,191.21 and 4,752.93

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Solution

The fourth proportional to 8,108.79, 11,191.21 and 4,752.93 is: 6,559.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.79 : 11,191.21 = 4,752.93 : x
  2. Step 2: Convert to fraction form
    8,108.79/11,191.21 = 4,752.93/x
  3. Step 3: Cross multiply
    8,108.79x = 11,191.21 × 4,752.93
  4. Step 4: Simplify right side
    8,108.79x = 53,190,958.02
  5. Step 5: Solve for x
    x = 53,190,958.02/8,108.79
  6. Step 6: Final answer
    x = 6,559.67

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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.