Home / 7,707.08-11,558.52-2,160.08

Finding the Fourth Proportional to 7,707.08, 11,558.52 and 2,160.08

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Solution

The fourth proportional to 7,707.08, 11,558.52 and 2,160.08 is: 3,239.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.08 : 11,558.52 = 2,160.08 : x
  2. Step 2: Convert to fraction form
    7,707.08/11,558.52 = 2,160.08/x
  3. Step 3: Cross multiply
    7,707.08x = 11,558.52 × 2,160.08
  4. Step 4: Simplify right side
    7,707.08x = 24,967,327.88
  5. Step 5: Solve for x
    x = 24,967,327.88/7,707.08
  6. Step 6: Final answer
    x = 3,239.53

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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.