Home / 7,720.79-11,596.67-4,606.86

Finding the Fourth Proportional to 7,720.79, 11,596.67 and 4,606.86

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Solution

The fourth proportional to 7,720.79, 11,596.67 and 4,606.86 is: 6,919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.79 : 11,596.67 = 4,606.86 : x
  2. Step 2: Convert to fraction form
    7,720.79/11,596.67 = 4,606.86/x
  3. Step 3: Cross multiply
    7,720.79x = 11,596.67 × 4,606.86
  4. Step 4: Simplify right side
    7,720.79x = 53,424,212.12
  5. Step 5: Solve for x
    x = 53,424,212.12/7,720.79
  6. Step 6: Final answer
    x = 6,919.53

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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.